Usage Tips:Angle grinder extensions available in 75mm, 100mm and 140mm lengths, notched for easy removal with a wrench, suitable for all M14 thread polishers; Rotary extension shafts are designed with every detail in mind to solve the problem of difficult to reach tight and awkward areas such as round mirrors, spoilers, window sills and bumpers when polishing with a rotary machine Made from high-quality materials, these back pads are built to withstand frequent use and resist abrasion, providing durability and in demanding polishing applications. The hook-and-loop securely attaches to sanding discs and polishing pads for quick changes and maximum productivity. These backing pads are versatile and suitable for automotive detailing, woodwork, metalwork, and more, and can be used in a variety of polishing and sanding applications. Material: plastic+metal colour: silver+red Package Contents: 3 x angle grinder extender(75mm, 100mm, 140mm) 3 x polishing pads(1 inch, 2 inches, and 3 inches in diameter) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.