Hardened steel, twin threaded, bright zinc plate finish. Available in 25 different sizes. Sizes include No. 4 x 1/2", No. 6 x 3/4", No. 6 x 1", No. 6 x 11/4", No. 6 x 11/2", No. 8 x 3/4", No. 8 x 1", No. 8 x 11/4", No. 8 x 11/2", No. 8 x 13/4", No. 8 x 2", No. 8 x 21/2", No. 8 x 3", No. 10 x 1", No. 10 x 11/4", No. 10 x 11/2", No. 10 x 13/4", No. 10 x 2", No. 10 x 21/2", No. 10 x 3", No. 12 x 11/2", No. 12 x 2", No. 12 x 21/2", No. 12 x 21/3", No. 12 x 31/2". Always use the correct sized screwdriver tip to avoid canting out (slipping out) and damaging the tool and screw head.
Point size screw gauge:
1 3-4
2 5-10
3 12-14
