Tuff Stuff, 96097, 40 Piece, SAE Tap & Die Set, Excellent Value For The Do It Yourselfer, 17 Taps & 17 Hex Dies, 1 Long Handle Adjustable Tap Wrench, 1 "T" Handle Tap Wrench, 1 Die Handle, 1 Screw Remover, 1 Screw Pitch Gauge, Tap & Die Sizes: 4-40,6-32,8-32,10-32,10-24,12-24,1/4-20,1/4-28,5/16-18,5/16-24,3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-20, 1/2-13, 1/8-27 NPT, Heavy Duty Heat Treated, Rust Resistant, Precision Machined To Exacting Standards, Precision Ground And Polished Surfaces Facilitate Chip Removal, Compact, Plastic Case With Clear Top.