Material: sponge + wool Thread: M14 Diameter: 30mm/1in, 50mm/2in, 75mm/3in Scope of application: polishing, waxing, grinding feature: C Air or electric polisher can be used. C Suitable for polishing, waxing and grinding. C With M14 threaded mat and adapter. The package includes: 15 x polishing pad 3 x wool polishing pad 3 x blue polishing pad 3 x white polishing pad 3 x sticky plates 2 x M14 adapter