Feature: 1. Scope of Application: This hotend kit is suitable for Ender 3, for Ender S, for Ender PRO, for Ender V2, for CR10, for CR S 3D printer. Remember to check the model before buying! 2. Excellent Performance: This extruder provides uniform and stable output, which can improve the working efficiency of the printer. 3. Silicone Cover: Comes with a silicone cover that will keep your block clean and avoid plastic charring, blackening and build up, extending the life of the block and extruder. And it also helps keep the hotend temperature stable. 4. Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 5. Ideal Replacement: This hotend kit can be easily installed, ideal replacement for the old and damaged parts. Specification: Item Type: Hotend Kit Material: Aluminum Alloy, Brass Compatible with: for Ender 3, for Ender S, for Ender PRO, for Ender V2, for CR10, for CR S Nozzle Size: Approx. 0.4mm / 0.02in Installation Method: Male Thread Connection Throat Length: Approx. 30mm / 1.18in Heating Block Size: Approx. 20 x 20 x 10mm / 0.79 x 0.79 x 0.39in Operating Temperature Range: -40℃ to +260℃ (-40℉ to +500℉). Package List: 1 x Extruder Head3 x Hex Wrench1 x Wrench1 x Screw