Available Dimensions: (1/2" x 3"), (1" x 3"), (1" x 6"), (2" x 3"), (2" x 4"), (2" x 6"), (3" x 4"), (3" x 5"), (3" x 6"), and (3" x 8")Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racksSelect an ItemAvailable Dimensions: (1/2" x 3"), (1" x 3"), (1" x 6"), (2" x 3"), (2" x 4"), (2" x 6"), (3" x 4"), (3" x 5"), (3" x 6"), and (3" x 8")Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racksStaples Magnetic "C" Channel Cardholdershttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/Staples-Magnetic-C-Channel-Cardholders/product_SS1085065Staples Magnetic "C" Channel Cardholders0.00Dimensions: 1/2" x 3"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case1/2" x 3"Dimensions: 1/2" x 3"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks1/2" x 3" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/1-2-inch-x-3-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472521/2" x 3" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 1" x 3"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case1" x 3"Dimensions: 1" x 3"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks1" x 3" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/1-inch-x-3-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472531" x 3" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 1" x 6"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case1" x 6"Dimensions: 1" x 6"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks1" x 6" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/1-inch-x-6-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472541" x 6" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 2" x 3"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case2" x 3"Dimensions: 2" x 3"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks2" x 3" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/2-inch-x-3-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472552" x 3" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 2" x 4"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case2" x 4"Dimensions: 2" x 4"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks2" x 4" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/2-inch-x-4-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472562" x 4" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 2" x 6"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case2" x 6"Dimensions: 2" x 6"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks2" x 6" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/2-inch-x-6-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472572" x 6" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 3" x 4"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case3" x 4"Dimensions: 3" x 4"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks3" x 4" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/3-inch-x-4-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472583" x 4" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 3" x 5"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case3" x 5"Dimensions: 3" x 5"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks3" x 5" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/3-inch-x-5-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472593" x 5" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 3" x 6"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case3" x 6"Dimensions: 3" x 6"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks3" x 6" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/3-inch-x-6-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472603" x 6" Staples Magnetic "C" Channel Cardholder0.00Dimensions: 3" x 8"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks25/Case3" x 8"Dimensions: 3" x 8"Heavy-duty .060 thick magnetic material assures total adhesion without a messy adhesive build-upPerfect for offices, libraries and warehouse metal shelves or racks3" x 8" Staples Magnetic "C" Channel Cardholderhttp://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0537532_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0537532/3-inch-x-8-inch-Staples-Magnetic-C-Channel-Cardholder/product_9472613" x 8" Staples Magnetic "C" Channel Cardholder0.00