Features: Upgrades your 3D printing precise with DLC coated Extruder Gears, featuring HV2000+ hardness for reduced filament wear and enhances durability in highly speed printing operations. Engineered with hardened steel gear structure, these all metal 3D printer accessories deliver 80N(most) gripping force to prevent filament slippage with TPU materials. Professional maker and industrial users will appreciate the industrial compatibility optimized for K2PLUS printers. Perfect for prolonged printing with high viscosity engineering filaments like ASA/PPA, thanks to heat resistant metal construction enduring 350℃ temperatures and superior corrosion resistance. Achieve seamlessly upgrades with precalibrated gear set requiring 0 adjustments Specifications: Component: Metal SizeApprox.1.6x0.95cm/0.63x0.37inch Applicable model: for K2PLUS Extruder Features:DLC coating hardened,All metal material wear-resistant Package Includes: 1pc Metal Gear note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.