13 Sizes 390 Pieces: Split Spring Pin Set Includes: M1.5*6 M2*18 M2.5*10 M2.5*18 M3*6 M3*12 M3*18 M4*8 M4*10 M4*14 M4*20 M5 * 30 M6 * 30 mm actual size and quantity enough to meet your various needs. Sturdy and durable: high density manganese steel spring pins, high hardness and stable black oxide finish resists corrosion, offers good appearance and good durability. Wide application: spring pins are widely used in automobiles, machines, garages, workshops, electrical equipment, for positioning, connecting and securing between parts. Portable: Equipped with a plastic box, you can classify these spring pins in an organized way, more convenient to carry and take out, find your own needs easily and quickly. Perfect fasteners: the exquisite craftsmanship of the set of pins gives you an excellent experience, smooth and without burrs, the best choice for the fastener seeker. 390