... Die set MaterialAlloy Steel for tap and diePacking: Plastic case +color sleeveSpecification:33PC Taper Taps ... 4-28,1/4-24, 1/4-32, 5/16-18, 5/16-24, 3/8-16, 3/8-24, ... 2-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, 3/4-10, 3/4-16, ... Sizes as Taps 1PC T-Type Tap Wrench: M3-M6(1/16"-1/4")2PC Tap Wrench: M3-M12(1/16- ... /4-3/4") 2PC NPT Tap: 1/8-27, 1/4-182PC NPT Plug Tap: 1/8-27, 1/4 ... holder: 25mm(1"), 38mm(1 1/2")O/D