Features: 1. and 2. Made of aluminium alloy material with black anodized surface, it is durable. 3. This is a single X for linear guide sliding track. 4. Precision machining and stable performance 5. Widely used in production machinery, testing equipment, optical experimental measurement, fine-tuning displacement, precision positioning, quantitative movement, etc. Specification: Condition: Model: SEMX80-AC Material: Aluminium Alloy(black anodized surface) Table Size: 80*80mm Load Resistance: 98.0N Stroke: ±12.5mm Centimeter Card Accuracy: 0.01mm Parallelism: 30um Moving Parallelism: 10um True Straightness: 3um Moving Distance Adjustment: Micrometer Differential Head Sliding Track: Linear Guide Rail Type: Cross Roller Type Weight: Approx. 576g / 20.3oz Size: Approx. 165 * 92 * 24.5mm / 6.5 * 3.6 * 1.0in Package List: 1 * Linear Stages Note: New-style and old-style are shipped randomly1、 and . 2、Made of aluminium alloy material with black anodized surface, it is durable. 3、This is a single X for linear guide sliding track. 4、Precision machining and stable performance 5、Widely used in production machinery, testing equipment, optical experimental measurement, fine-tuning displacement, precision positioning, quantitative movement, etc.