Features: _x000D_ _x000D_ The ball bearing slide block is great for you to replace the damaged one in your devices to improve the efficiency and save energy. _x000D_ Adopting 4-point contact design, it can bear load from every direction, and has good strength and high accuracy. _x000D_ Smooth moving, low friction, high rigidity and long life. Economical, easy to maintain replace. _x000D_ Small size, light weight, suitable for most automatic equipment. _x000D_ High accurate and stable performance. _x000D_ _x000D_ Specification:_x000D_ Model: HGH20CA_x000D_ Rail type: interchangeable types_x000D_ Load Type: Heavy Load_x000D_ Block Mounting: Mounting from Top_x000D_ Color: Black_x000D_ Size: Approx. 7.5 x 4.5 x 2.5cm / 2.9 x 1.8 x 1inch_x000D_ Weight: Approx. 408g / 14.4oz_x000D_ _x000D_ Package List:_x000D_ 1 x Rail Block_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. 1The ball bearing slide block is great for you to replace the damaged one in your devices to improve the efficiency and save energy 2Adopting 4-point contact design, it can bear load from every direction, and has good strength and high accuracy 3Smooth moving, low friction, high rigidity and long life. Economical, easy to maintain replace 4Small size, light weight, suitable for most automatic equipment 5High accurate and stable performance