Material:302, 303, 304, 305,316, 410, 550 Length: 5mm-230mm Dia : #0,#1,#2,#4,#6,#8,#10,#12¡Â5/16 Head type: Pan , Flat , bugle, Pan washer, Hex, Hex washer, button, socket, hex flange, T-head... Drive: phillip, pozi, square, slot, torx¡ Standard: DIN JIN ANSI GB Salt spray test for 304 302 316 products more than 96hours, the longest can reach up to 4000hours.