CR-SPRITE-PRO-KITThe Creality Sprite Direct Drive Extruder Pro Kit is an all-metal dual-gear upgrade kit designed for Creality Ender-3, Ender-3 Pro, Ender-3 V2, and Ender-3 S1. Features a compact 3.5:1 gear reduction ratio, dual chrome-plated steel feed gears, an all-metal hotend capable of 300°C, and lightweight 334g construction.