Six key upgrades: 1.lmpeccably smooth surfac 2.optimized gears for precise meshing 3. ptfe leads 4.overall h-class temperature resistance (180C) 5.samarium cobalt magnet steel rotor with no demagnetization. 6.Made of metal material, this motor ensures long-lasting and control. Compatible Models:for K1/K1 Max/K1 C/ 3 V3 /Plus 3D Printer 3D Printer High Temperature Color: Black Material: Plastic + Metal Designed for 3D printing enthusiasts and who demand superior quality and reliability. Wide applications for prototyping, model making, and production runs. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Package Contents: 1 x Stepper Motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.