• Made of high-quality plastic with one-piece molding for greater durability. • M14 thread and mandrel included for quick and easy wheel changes. • Performance suitable for maximum speeds up to 12,200 rpm. • 125 mm diameter with hook and loop fastening system. • Widely used for polishing and sanding artificial stone, furniture, wood products, and automobiles. • The set includes 4 pieces including the M14 connecting rod.