Includes M1016MM shim washers in 4 thicknesses (0.1/0.2/0.3/0.5mm), 12pcs each, total 48pcs for precise spacing. MPN: M10 16. Fastener Size: M10. Thread Size: M10. Part Number: M10 16. Designed for M10 bolts, compatible with electronics, machinery, automotive parts, DIY projects, bearings and gears.