Includes three replaceable extension rods with M14 screws and spacer bases, designed with wrench-friendly notches for safe installation and disassembly in demanding workshop environments Controlled extension range and alignment of non-slip spacers allow you to safely polish stone countertops and furniture edges while damaging paint Ideal for automobiles, metalworkers and construction professionals who need access to narrow areas such as edges and narrow gaps during polishing For standard 30mm / 50mm / 75mm polishing pads, this multi-length shaft system solves the challenges of accessibility in cutting, carving, and grinding work in metalworking and stone repair projects M14 threaded extension shaft for angle grinders features tempered steel construction with 75mm / 100mm / 140mm length options to ensure vibration resistance during long grinding and grinding work, Manufacturer: Pffiocix