1、METAL SHELL: The control box features a premium 7075 aluminum alloy casing, treated with rust resistant coating for long lasting durability. 2、COMPLETE COMPONENTS: The controller includes the box body, spindle, bearings, bearing cover, timing pulley, gears, and locking nuts, ensuring comprehensive functionality. 3、COMPATIBLE WITH 210 SERIES MINI LATHES: Designed for use with 210 series mini lathes, such as for WX 210V and for YZ 210D, providing a perfect fit and seamless integration. 4、DUAL BELT POSITIONS: Equipped with two belt positions, the control box supports two speed ranges, 1 to 1250rpm and 100 to 2500rpm, offering versatility for different machining requirements. 5、RELIABLE PERFORMANCE: With its robust construction and accurate components, the control box delivers reliable and consistent performance, ensuring smoothly operation and efficient machining processes.