Features:_x000D_ _x000D_ This product is made of high quality wear resistant stainless steel and is durable. _x000D_ High transmission efficiency, high positioning accuracy, repeatability positioning accuracy. _x000D_ High rigidity, long service life and good reversibility of the drive transmission. _x000D_ The surface is bright and the welding precision is high. _x000D_ More wear-resistant, greatly extending the life of the ball screw, life expectancy increased several times. _x000D_ _x000D_ Specifications:_x000D_ Condition: 100% Brand New_x000D_ Material: Stainless Steel_x000D_ Size: _x000D_ Ball screw length: approx. 250mm / 9.8in_x000D_ Coupler: approx. 6.35*10mm / 0.3*0.4in_x000D_ _x000D_ Package list:_x000D_ 1 * SFU1605 Ball Screw_x000D_ 2 * BK/BF12 Support_x000D_ 1 * 6.35*10mm Coupler_x000D_ 1 * Locknuts_x000D_ 1 * Circlip