These American Forge 90pc jumbo tap & die sets are made from a super durable heat treated tungsten alloy steel. These sets include two tap wrenches and two die stocks. You also get a screwdriver included to adjust the dies. The whole sets comes in a heavy duty case where every piece has its own place. This is a must have for any shop. *Lifetime Warranty.

*45pc SAE 1/4" to 1" in both National Coarse and National Fine.

Coarse threads: 1/4-(20TPI), 5/16-(18), 3/8-(16), 7/16-(14), 1/2-(13), 9/16-(12), 5/8-(11), 3/4-(10), 7/8 - (9), 1 - (8).

Fine threads: 1/4-(28TPI), 5/16-(24), 7/16-(20), 1/2-(20), 9/16-(18), 5/8-(18), 3/4-(16), 7/8 - (14), 1 - (14).

*45pc Metric equivelant of 1/4" to 1". Coarse threads: M6-1.0(pitch), M8-1.25, M10-1.5, M12-1.75, M14-2.0, M16-2.0, M18-2.5, M20-2.5, M22-2.5, M24-3.0. Fine threads: M6-.75(pitch), M8-1.0, M10-1.25, M12-1.5, M14-1.5, M16-1.5, M18-1.5, M20-1.5, M22-1.5, M24-1.5.