The self-adhesive design makes it very simple and convenient compatible you to use. Quick installation will not waste your time and energy. Its feature of anti-blocking and time-saving make it have high working efficiency. The wide range of applications allows it to be used in a variety of workplaces. Made of ABS and alloy material, it is very durable to use. There are three different specifications compatible you to choose from: 1 inch, 2 inch, 3 inch. It can fit all sander and polishers. And it is suitable compatible using with any grip (hook and loop) buffing or polishing pads. Item Name: Self-adhesive Sanding Disc Material: ABS,Alloy Extension Rod Type: Round Handle Features: Wear-resistant, Self-adhesive, Quick Installation Size Details: 1 inch: 2.5cm x 2.5cm x 3cm/0.98" x 0.98" x 1.18" (Approx.) 2 inches: 5cm x 5cm x 3cm/1.97" x 1.97" x 1.18" (Approx.) 3 inches: 7.5cm x 7.5cm x 3cm/2.95" x 2.95" x 1.18" (Approx.) Extension Rod Length: 4.5cm/1.77" (Approx.) Extension Rod Diameter: 0.3cm/0.12" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Self-adhesive Sanding Disc 1 x Extension Rod