•Premium Material: These roll pins assorted are made of outstanding manganese steel material, spring steel construction for flexibility, balance, and durability, which are corrosion and rust resistance, and durable for long time use.
•Easy to Store: Equipped with a plastic storage box, you can classify these spring pins in an organized way, more convenient to carry and take out, easily and quickly find your own needs.
•Practical Design: Ideal for holding cogs, wheels etc, or to insert them into a hole of slightly smaller diameter so they can provide a secure anchorage for items such as pulley wheels and gears, or securely joins two shafts together. also can remove and re-use roll or spring pins.