A 256-piece M3 hardware assortment with 24 sizes and three materials: nickel-plated iron, brass and nylon.
The kit includes male-female hex standoffs, spacers, screws and nuts for circuit-board mounting and electronics enclosure assembly. Nylon standoffs include six M3 lengths: 20+6 mm, 15+6 mm, 12+6 mm, 10+6 mm, 8+6 mm and 6+6 mm, with M3 nuts.