A: It is designed for the Milwaukee 2438-20 M12 spot polisher. M9 x 0.75 threaded hub provides a secure connection that resists loosening during use. Thread: M9 x 0.75. A: M9 x 0.75. Milwaukee Tool manufactures professional power tools, accessories, and service parts for trade users, emphasizing durability and system compatibility across the M12 and M18 platforms.
