The HGH15CA, HGW15CC, HGH20CA, and HGW20CC linear bear slide block carts are designed for game use and are part of the HGR linear guide series. They are suitable for CNC applications and include a grease nipple for easy lubrication. Key benefits - Smooth linear movement: engineered to deliver consistent, dependable motion in slide applications. - Reliable performance: built to support repeatable positioning in CNC setups and related equipment. - Easy lubrication: grease nipple enables straightforward maintenance to extend service life. - Wide compatibility: part of the HGR linear guide family, with four model variants to match different axis needs. - Clear sizing options: available as HGH15CA, HGW15CC, HGH20CA, and HGW20CC, with the HGW20CC example highlighted. What’s included - Each set contains 4 pieces. The HGW20CC is shown as an example variant. Key specifications and attributes - Function: linear bear slide block carts designed for smooth, controlled axial movement. - Compatibility: part of the HGR linear guide series; suitable for CNC applications. - Variants: HGH15CA, HGW15CC, HGH20CA, HGW20CC. - Lubrication: grease nipple provided for simple maintenance. - Performance: designed to deliver reliable, repeatable motion in appropriate setups. Practical use scenarios - CNC machine axes: mounting on a gantry or carriage to achieve precise, repeatable tool movement in milling, routing, or engraving tasks. - Automation and test rigs: use in linear motion stages for automated testing, inspection, or assembly workflows requiring stable slide action. - DIY or hobby projects: ideal for hobby CNC routers, laser cutters, or experimental motion systems where smooth carriage movement and easy lubrication are beneficial. Notes - The four-model lineup offers options to fit different axis sizes and loads while maintaining consistent performance characteristics. - The grease nipple supports routine maintenance to help maintain smooth operation over time. This description maintains the original brand, models, functions, and scope while presenting the information in a clear, customer-friendly format.