Thread size: 1/8-27 - 1-11 1/2Thread type: NPTNumber of pieces: 12SetThread size: 1/8-27 - 1-11 1/2Thread type: NPTNumber of pieces: 12HANSON® High Carbon Steel 12 pcs Pipe Tap And Hexagonal Re-Threading Die Sethttp://s7d5.scene7.com/is/image/Staples/s0481325_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0481325_sc7?$thb$http://www.staples.com/sbd/img/res/ic/ic016-deliveryreq.gifhttp://s7d5.scene7.com/is/image/Staples/s0481325/HANSON-High-Carbon-Steel-12-pcs-Pipe-Tap-And-Hexagonal-Re-Threading/product_776512HANSON® High Carbon Steel 12 pcs Pipe Tap And Hexagonal Re-Threading Die Set0.00