Specification Brand : ANKROYU BulletPoint : Description: Rim Sprocket kit Fits Models: i3850B, i4550B, D4150B, D4550B, I4150B, PS33, UT10901, UT10910, UT10926, 20, 23, 25, 2500, 27, 3300, 3314, 3316, 3350, 3800, 3850, 4100, 4500, 4550 BulletPoint1 : Durability: Made from pure copper material, these fasteners are resistant to damp; Their robust construction ensures long-lasting use, even in challenging conditions; You can them to maintain their integrity over time BulletPoint2 : Accurate: The threads are deep, neat and clear, ensuring an even distribution of force during installation; This precise threading prevents slipping, offering a stable connection; It’s for projects where a firm grip is essential BulletPoint3 : Smooth Finish: With a flat, smooth surfaceS freeburrs, these fasteners showcase fine craftsmanship; The finish ensures a clean and professional look, making them for projects requiring both form and function BulletPoint4 : Reliability: Designed for a long service life, these copper fasteners offer dependable performance through countless uses; Their material and expert craftsmanship ensure they remain for all your fastening needs BulletPoint5 : Versatility: These copper fasteners are for automotive and industrial projects; Whether you're working on small repairs or large-scale installations, these fasteners provide the strength and durability you need to get the job done right BulletPoint6 : Wide Compatibility: Ideal for various filaments like PLA, ABS, PETG, and more. Color : As shown in the figure ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 0761164824771 ExternallyAssignedProductIdentifier2 : 761164824771 ItemName : ANKROYU 50PCS Self Locking Nut, Pure Copper Anti Loose Fasteners, Self Locking Fasteners, Self Locking Metal Fasteners, Threaded Copper Nuts for Machinery (M3) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : self-clinching-nuts Manufacturer : ANKROYU Material : Metal MetalType : Brass ModelName : Yuecoom7zqfc15o4e ModelNumber : ANKROYUpwgd0u23so-11 NumberOfItems : 1 PartNumber : ANKROYUpwgd0u23so-11 ProductDescription : Item Type: Self-Locking Nut Material: Pure copper