Titanium coated alloy steel for durability and precision threading; (34) plug tap sizes are perfect for general purpose threading; (34) hexagon die sizes are ideal for general maintenance and repair work; Hexagon dies allow a socket or wrench to be used in areas with limited space; Molded storage case included; (36) High-speed steel drill bits; Drill to tap size interchange chart; (5) Spiral flute screw and bolt extractors; (6) Machine Screw Plug Taps and 5/8" Hex Dies: 4-40 NC; 6-32 NC; 8-32 NC; 10-24 NC; 10-32 NF; 12-24 NC; (10) Fractional Plug Taps and 1" Hex Dies: 1/4"-20 NC; 1/4"-28 NF; 5/16"-18 NC; 5/16"-24 NF; 3/8"-16 NC; 3/8"-24 NF; 7/16"-14 NC; 7/16"-20 NF; 1/2"-13 NC; 1/2"-20 N; (6) Metric Plug Taps and 5/8" Hex Dies: 3mm-0.50; 4mm-0.70; 4mm-0.75; 5mm-0.80; 5mm-0.90; 6mm-1.00; (10) Metric Plug Taps and 1" Hex Dies: 7mm-1.00; 8mm-1.00; 8mm-1.25; 9mm-1.00; 9mm-1.25; 10mm-1.25; 10mm-1.50; 11mm-1.50; 12mm-1.50; 12mm-1.75; (2) Pipe Thread Plug Taps and 1" Hex Dies: 1/8"-27 NPT; 1/8"-28 BSP; (1 each) High-Speed Drill Bits: #3; #7; #9; #16; #19; #20; #21; #25; #29; #30; #36; #39; #43; Letter B; Letter F; Letter H; Letter I; Letter J; Letter O; Letter Q; Letter R; Letter S; Letter U; Letter Z; 5/64"; 7/64"; 5/32"; 1/4"; 19/64"; 5/16"; 21/64"; 3/8"; 25/64"; 13/32"; 27/64"; 29/64"; (1 each) Spiral Flute Screw and Bolt Extractors: EX-1; EX-2; EX-3; EX-4; EX-5; (1 each) of the following: Adjustable Die Stock 1" Dies; Plain Die Stock 5/8" Dies; Adjustable Handle Tap Wrench; Taps No. 0 to 1/2"; Two-In-One Tap Wrench Taps 1/4" to 1/2"; T-Handle Tap Wrench Taps No. 0 to 1/4"; Metric Thread Pitch Gauge; Fractional Thread Pitch Gauge