CNC Linear Stage Actuator: This set includes one linear stage actuator with a 100 mm effective stroke and one handwheel. Compatible with 3D printers, compact CNC machines, and industrial robots High-Precision Ball Screw: Features a premium ball screw, dual linear guide rails, and a ball-bearing slide block. Electroplated coating enhances long-term accuracy and durability Silent & Smooth Sliding: Built-in ball-bearing slide blocks deliver quiet, low-friction motion while gripping the shaft tightly for stable linear travel. Less noise, less wear, more precisionevery time you move Reliable Load Capacity: Our CNC linear stage actuator handles both horizontal and vertical motion with ease. Supports up to 10 kg horizontally and 5 kg vertically without wobble Handwheel Included: Our CNC linear guide rail comes with an additional handwheel, allowing you to manual fine-tune the position