40 piece kit includes an assortment of 10 types of japanese fine hex sems screws:
M5x16 (8 mm Hex) Japanese Fine Hex Sems Screws x 20
M5x20 (8 mm Hex) Japanese Fine Hex Sems Screws x 20
M5x25 (8 mm Hex) Japanese Fine Hex Sems Screws x 20
M6x16 (10 mm Hex) Japanese Fine Hex Sems Screws x 20
M6x20 (10 mm Hex) Japanese Fine Hex Sems Screws x 10
M6x25 (10 mm Hex) Japanese Fine Hex Sems Screws x 10
M8x16 (12 mm Hex) Japanese Fine Hex Sems Screws x 10
M8x20 (12 mm Hex) Japanese Fine Hex Sems Screws x 10
M8x25 (12 mm Hex) Japanese Fine Hex Sems Screws x 10
M8x30 (12 mm Hex) Japanese Fine Hex Sems Screws x 10
