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: SEMX40-AS _x000D_ Material: Aluminium Alloy(black anodized surface) _x000D_ Table Size: 40*40mm _x000D_ Load Resistance: 19.6N _x000D_ Stroke: 6.5mm _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. 168g / 5.9oz _x000D_ Size: Approx. 62 * 70.65 * 20mm / 2.4 * 2.8 * 0.8in _x000D_ _x000D_ Package List: _x000D_ 1 * Linear Stages _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.