Thread size: #6-32 - 1/4-20Number of pieces: 6Material: High speed steelSetThread size: #6-32 - 1/4-20Number of pieces: 6Material: High speed steelGreenlee® High Speed Steel 6 pcs Tap And Drill Bit Set, #6-32 - 1/4-20http://s7d5.scene7.com/is/image/Staples/s0481355_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0481355_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0481355/Greenlee-High-Speed-Steel-6-pcs-Tap-And-Drill-Bit-Set-6/product_776242Greenlee® High Speed Steel 6 pcs Tap And Drill Bit Set, #6-32 - 1/4-200.00