ITEM NAME:Steel HGH20CA 20Mm Linear Rail Guide Block for CNC Machine Parts Manufactur D5M1 Steel HGH20CA 20Mm Linear Rail Guide Block for CNC Machine Parts Manufactur D5M1 strong and sturdy. The tool is easy to use. Professional and technical. Small size and light weight, especially suitable for small equipment. lider can be moved easily and easily. Color: red + green Material: steel Size: 82*49*35mm Package Contents: 1 * linear guide block