Specification Brand : Eujgoov BulletPoint1 : [Compatible ] This hardened steel extruder gear kit is compatible with for Bambu Lab A1, A1 MINI , consists of transmitting gear and driving gear. BulletPoint2 : [Hardened Steel Material] The extruder gear is made of hardened steel, ensuring the longevity and durability for continuous and stable printing performance. BulletPoint3 : [DLC Coating] The gear is coated with DLC nano coating, which is hard wearing and has rusty proof and lubricating effects, improving printing efficiency. BulletPoint4 : [Upgraded Metal Handle] The handle is made of aluminum alloy, allowing for longer work time and easy gear replacement, increasing durability and lifespan. BulletPoint5 : [Enhanced Printing Capability] Hardened steel gear enables the extruder to print engineering consumables such as carbon fiber nylon, glass fiber, nylon, etc. ItemName : Hardened Steel, DLC Coated, Aluminum Handle Extruder Gear Kit for Bambu Lab A1 A1 Mini, Compatible with, Upgraded Metal Handle ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : 3d-printer-extruders Manufacturer : Eujgoov ModelName : Eujgoov3p9t6bf2sv ModelNumber : Eujgoov3p9t6bf2sv NumberOfItems : 1 PartNumber : Eujgoov3p9t6bf2sv ProductDescription : Spec: Item Type: Extruder Gear Material: Coated Hardened Steel Suitable: for Bambu lab A1, A1 Mini