Feature: 1. Hand wheel realize manual control of the running direction of the sliding table, with simple operation 2. The locking device is rotated and locked by the adjustable handle, so that the sliding table is not easy to loosen 3. Linear optical hard axis with chrome‑plated, equipped with linear bearings, running more stable and efficient 4. Module accessories are made of good‑quality aluminum with CNC fine finishing, and the surface is all black anodized to resist rust 5. Aluminum alloy material is light weight, possess good strength and corrosion resistance Specification: Item Type: Slide Linear Stage Material: Aluminum alloy Effective Stroke: Approx. 200mm / 7.9in Screw Diameter: Approx. 16mm / 0.6in Horizontal Load: 20 kg / 44.1 lb(approx.) Vertical Load: 10 kg / 22 lb(approx.) Repeat Positioning Accuracy: 0.03-0.05mm Working Mode: Hand crank with locking How to Use: 1. Install the hand wheel and tighten the screws 2. Rotate the hand wheel directly by hand to workSize: Approx. 20mm / 0.8in 9mm / 0.4in 50mm / 2in 32mm / 1.3in 56mm / 2.2in 80mm / 3.1in 25mm / 1in 15mm / 0.6in 12mm / 0.5in 82mm / 3.2in 60mm / 2.4in 50mm / 2in 30mm / 1.2in. Package List: 1 x Slide Linear Stage1 x Locking Wrench1 x Hand Wheel1 x User Manual