The Hoteche 4" (100mm) Plastic Backing Pad is designed for use with angle grinders and polishing machines. Built from durable, impact-resistant plastic, it provides a stable and reliable base for sanding discs, polishing pads, and abrasive attachments. With an M10 x 1.5 threaded arbor and a maximum speed rating of 20,000 RPM, this backing pad delivers secure performance for grinding, finishing, polishing, and surface preparation tasks. Ideal for woodworking, metalwork, automotive refinishing, and general workshop use.