4-Piece 50mm Polishing Disc Pad Set, Sanding Disc Holder, Polishing Mandrel with 1/4" Shank, Quick-Change Round Disc Holder for Rotary Tools

【Excellent Tool】Rotating locking backing pad for 2" (50 mm) sanding and polishing discs【Sturdy】Round abrasive disc holder made of a high-quality rubber base and a nickel-plated steel shaft, sturdy and durable【Compatibility】1/4" (6 mm) shaft locking disc holder, suitable for most rotary tools and electric drills【Ingenious】Swivel knob design, rotates to easily attach or remove the sanding pad for quick replacement【Practical】Handy sanding accessory, suitable for surface treatment such as grinding, polishing, deburring, and rust removal on various items