Function: 1. The hand wheel realizes manual control of the direction of travel of the sliding table, with simple operation 2. The locking device is rotated and locked za using an adjustable handle, so that the sliding table is not easy to loosen 3. Linear optical hard axle with chrome plated, equipped with linear bearings, operating more stable and efficient 4. Module accessories are made of good quality aluminum with precise CNC finish, and the entire surface is anodized black to resist rust 5. Aluminum alloy material is lightweight, ma good strength and corrosion resistance Specification: Item Type: Move Linear Stage Material: Aluminum Alloy Effective jump: approx. 200mm / 7.9 inch Screw diameter: approx. 16mm / 0.6 inch Horizontal load: 20 kg / 44,1 lbs (approximately) Vertical load: 10 kg / 22 lbs (approximately) Repeat positioning accuracy: 0,03-0,05 mm Operating Mode: Hand Crank with Lock How to use: 1. Mount the hand knob and tighten the screws 2. Rotate the hand wheel directly by hand to work Size: approx. 20mm / 0.8 inch 9mm / 0.4 inch 50 mm / 2 inches 32mm / 1.3 inch 56mm / 2.2in 80mm / 3.1 inch 25 mm / 1 inch 15mm / 0.6 inch 12mm / 0.5 inch 82mm / 3.2in 60mm / 2.4 inch 50 mm / 2 inches 30mm / 1.2 inch List of packages: 1 x Sliding Linear Scene 1 x Locking Wrench 1 x Hand Wheel 1 x User Manual