MagicPhoenix Ultra-wear BMG Extruder Gear

1. The size accuracy of the inner hole is 0.02mm, which fits closely with the shaft and has high concentricity
2. Arc tooth runout is 0.03mm, filaments fits tight, uniform, no skid, driving force is 15Kg
3. Hardened steel matrix, the overall hardness can reach HRC60+, more wear resistant
4. Surface adopts the RNC nitrogen based chain nano-coating, with ultra-high hardness of HV3300
5. All metal design, can print up to 500℃, compatible with a variety of models

Only include dual gear, no bearings/shafts.