Includes 1/8 NPT & 1/4 NPT - National Coarse & National Fine - High Speed Steel - In Plastic CaseSizes: 4-40, 6-32, 8-32, 10-24, 10-32, 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, 1/2-13, 1/2-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, 3/4-10, 3/4-16, 7/8-9, 7/8-14, 1"-8, 1"-14, 1/8-27 NPT, 1/4-18 NPTPlug Taps, 1", 1-1/2" & 2" O.D. Solid Round Dies, 1/16-1/2 & 3/8-1" Straight Handle Tap Wrench, 0-1/4 T-Handle Tap Wrench, 1", 1-1/2" & 2" Die Stocks, Screwdriver, Screw Pitch Gage