Features 1、Made of high quality aluminum with durable construction. 2、High precision, exquisite craft, smooth surface. 3、Long life, low coefficient of friction, high versatility. 4、Linear motion, with a small frictional resistance. 5、Suitable for NEMA 23 motor and the effective stroke is 400mm/15.7inch Specification Features: Made of high quality aluminum with durable construction. High precision, exquisite craft, smooth surface. Long life, low coefficient of friction, high versatility. Linear motion, with a small frictional resistance. With 57 motor and the effective stroke is 400mm/15.7inch. Specification: Material: Aluminum Sliding Rail Width: 40mm / 1.57inch Effective Stroke: 400mm / 15.7inch Rated dynamic load: 56 Rated static load: 60 Screw Size: M4 Weight: 2906g / 102.5oz (approx.) Package list: 1 x Sliding Table Note: 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. Package List