50 Pcs Carbon Steel Nickel Plated Hollow Toothless Steel Sleeves 5x9x4mm.

Product Description ✅Material: Empty toothless positioning casing is made of Nickel -plated carbon steel； ✅Features: Bushing are used to retain parts in a fixed position maintain alignment between different parts or to join different； ✅ Easy to install :Most suitable for applications with rotating movements and where self-lubricating properties of the material are a prerequisit； ✅Used: ：Used in airplane model Construction machinery ship model car models and DIY craft makingindustry handicrafts pipelines mechanical structural. structural； Note: allow 1-3mm error