Features: _x000D_ 1. 100% brand new and high quality _x000D_ 2. Made of aluminium alloy material with black anodized surface, it is durable. _x000D_ 3. This is a single X for linear guide sliding track. _x000D_ 4. Precision machining and stable performance _x000D_ 5. Widely used in production machinery, testing equipment, optical experimental measurement, fine?tuning displacement, precision positioning, quantitative movement, etc. _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Model: SEMX25?AS _x000D_ Material: Aluminium Alloy(black anodized surface) _x000D_ Table Size: 25*25mm _x000D_ Load Resistance: 9.8N _x000D_ Stroke: 3.2mm _x000D_ Centimeter Card Accuracy: 0.01mm _x000D_ Parallelism: 30um _x000D_ Moving Parallelism: 10um _x000D_ True Straightness: 3um _x000D_ Moving Distance Adjustment: Micrometer Differential Head _x000D_ Sliding Track: Linear Guide _x000D_ Rail Type: Cross Roller Type _x000D_ Weight: Approx. 61g / 2.2oz _x000D_ Size: Approx. 50 * 40 * 15mm / 2.0 * 1.6 * 0.6in _x000D_ _x000D_ Package List: _x000D_ 1 * Linear Stages _x000D_ _x000D_ _x000D_ Note:_x000D_ New-style and old-style are shipped randomly