Highlights
View all details
- Dials at either end of scale
- Engineer's scale: adjusts to 10, 20, 40, and 50 parts to the inch
- 12" measuring length with 1/32" scale, exact calibrations
Chartpak® Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Silver
Item #: 508918Model #: CHA240
$32.39
Free Returns
Online. In store. Always free.
Learn More
Suggested alternatives
Price is $35.99
Price is $8.49
Price is $13.19
Price is $85.99
About this product
Chartpak® Adjustable triangular scale for engineers is made of solid aluminum for added durability and intends to provide accurate measurements.
Chartpak® Adjustable triangular scale for engineers has 12" measuring length with 1/32" scale that encloses exact calibration and is ideal for engineering flied. Scale is adjustable to 10, 20, 40 and 50 parts to" measurements.
- Dials at either end of scale
- Engineer's scale: adjusts to 10, 20, 40, and 50 parts to the inch
- 12" measuring length with 1/32" scale, exact calibrations
- Tape length: 12"
- Dimensions: 1.1(W) x 0.5(T)
- Material: Aluminum
- Ruler type: Triangular scale
- Adjustable scale for engineers with rotating dial at each end to change units
- Designed for the exacting needs of engineers
- Change units quickly and easily by rotating dial at either end of scale - no need to move the scale from the work surface
- Change units with a simple twist of the dial
- Architect's scale: adjusts to 1/16", 1/8", 1/4", 1/2", 1:1, and 2:1
Frequently bought together
Price is $6.99, Regular price was $9.44, You save 25%
Unit of measure 500/Ream
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $449.99, Regular price was $719.99, You save 37%
Free delivery by Thu, Sep 04
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $59.99, Regular price was $129.99, You save 53%
Free delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $144.99, Regular price was $299.99, You save 51%
Free delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $70.09
Unit of measure 4000/Carton
Free delivery by Fri, Aug 29
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $149.99, Regular price was $319.99, You save 53%
Free delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $0.50, Regular price was $2.49, You save 79%
Unit of measure 24/Box
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
Price is $15.99, Regular price was $26.14, You save 38%
Unit of measure 1500/Carton
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $1.99, Regular price was $6.36, You save 68%
Delivery by Fri, Aug 29
1
1
2
3
4
5
6
7
8
9
10
Price is $0.55, Regular price was $2.59, You save 78%
Price per unit $0.55/Folder
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
Price is $0.50, Regular price was $4.09, You save 87%
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
Price is $46.99, Regular price was $79.99, You save 41%
Unit of measure 5000/Carton
Free delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $579.99, Regular price was $999.99, You save 42%
Free delivery by Thu, Sep 04
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $0.55, Regular price was $2.49, You save 77%
Price per unit $0.55/Folder
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
Nintendo Switch 2, 256GB, Mario Kart World Bundle, Black (BEESKB6LA) is Backorder
Price is $499.99
Free delivery by Thu, Oct 09
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $0.25, Regular price was $0.79, You save 68%
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $249.99, Regular price was $529.99, You save 52%
Free delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $0.50, Regular price was $4.09, You save 87%
Delivery by Fri, Aug 29
1
1
2
3
4
5
6
7
8
9
10
Price is $17.99, Regular price was $20.49, You save 12%
Unit of measure 100/Box Price per unit $0.18/File Folder
Delivery by Fri, Aug 29
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Compare similar items
| Attributes | Chartpak® Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Silver | Chartpak® 12" Scale Architect Ruler (238) | Staedtler Mars 12" Plastic Engineer Ruler, White (987 18-34BK) | Staples 36" Wood Yardstick (51893) | Staples 18" Transparent Acrylic Ruler, Clear (51894) |
|---|---|---|---|---|---|
Your product Chartpak® Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Silver Price is $32.39 Out of Stock | Price is $35.99 |  Price is $14.39 |  Price is $7.99 |  Price is $6.49 | |
| Reviews | |||||
| Delivery Information | Data not available | Free delivery by Wed, Sep 03 | Delivery by Fri, Aug 29 | Delivery by Fri, Aug 29 | Data not available |
| Available in my store | No | No | Yes | Yes | Yes |
| Ruler & Measuring Device Material | Aluminum | Aluminum | Plastic | Wood | Acrylic |
| Ruler & Measuring Device Type | Triangular Architect Scale | Triangular Architect Scale | Triangular Architect Scale | Yard / Meter Stick | Standard Ruler |
| Measurement Standard | Imperial / Metric | Imperial / Metric | Imperial / Metric | Imperial / Metric | Imperial / Metric |
| Hole Punched | No | No | No | Yes | Yes |
| Color Family | Multicolor | Multicolor | White | Brown | Clear |
| True Color | Gray / Silver | Silver | White | Brown | Clear |
| Ruler & Measuring Device Length (Inches) | 12" | 12" | 12" | Greater than 24" | 18" |
| Selling Quantity | 1 | 1 | 1 | 1 | 1 |
| Width in Inches | 1.1 | 1 | 2 | 1.1 | 1.6 |
| Selling Quantity (UOM) | Each | Each | Each | Each | Each |
| Length in Inches | 12 | 12 | 12 | 36 | 18 |
| Thickness in Inches | 0.5 | 0.5 | 1 | 0.15 | 0.08 |
| Ruling Increments | 1 / 32" | 1 / 32" | Data not available | 1 / 8" | 1 / 16" |
| Tape Width in Inches | 1.1 | 1.1 | Data not available | Data not available | Data not available |
| Add To Cart | Add To Cart | Add To Cart | Add To Cart |
Featured Products
Price is $9.99
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $17.29
Unit of measure 6/Pack Price per unit $2.88/Envelope
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $26.89
Unit of measure 6/Pack Price per unit $4.48/Folder
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $41.99
Unit of measure 2/Pack
Free delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $9.99
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $26.79
Unit of measure 6/Pack Price per unit $4.46/Folder
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $24.89
Unit of measure 6/Pack Price per unit $4.15/Folder
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $27.19
Unit of measure 6/Pack Price per unit $4.53/Folder
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $20.39
Unit of measure 12/Pack Price per unit $1.70/Sheet Protector
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $47.99
Unit of measure 2/Pack
Free delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $26.99
Unit of measure 6/Pack Price per unit $4.50/Folder
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $20.59
Unit of measure 6/Pack Price per unit $3.43/Envelope
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $19.99, Regular price was $37.99, You save 47%
Unit of measure 6/Pack Price per unit $3.33/Clipboard
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $61.69
Free delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $24.79
Unit of measure 6/Pack Price per unit $4.13/Folder
Delivery by Wed, Sep 03
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30