Specification: 3" Quick replacement heavy-duty durable spare rubber pad with 1/4" handle, heavy-duty rubber pad, aluminum core, and nickel-plated detachable steel handle. High quality: Our products use high-quality long-lasting rubber and aluminum, which will provide durability and strength - suitable for electric drills, mold grinders, air grinders, angle grinders, and most other electric tools. Design: The 1/4 handle of the grinding wheel disc of the mold grinder is suitable for electric drills, mold grinders, air grinders, and other electric tools. Perfect Design: Heavy-duty black rubber pad with just the right thickness - sturdy aluminum core, nickel-plated detachable steel handle, optimal strength. Widely used: an effective tool for grinding, polishing, surface treatment, paint removal, primer polishing, etc. This tool can also be used as a polishing disc holder for polishing jewelry or cars.