PU plate backing pad - suit for dual action polisher. MS-PBP125 Diameter 125mm MS-PBP150 Diameter 150mm Professional, quality ,trust worthy! Customized size/design are available ! Thread length: 5/16"-24 Size:125-150mm, Hook & loop:color:yellow Shaped by injection moulding,with high rebound resilience and durability.Suit for high speed polishing,and with good thermal endurance.Espeacially designed for surface polishing,such as car,glass,ship,floor,etc.We usually use it with wool pad, foam pad to improve the gloss finish.High quality hook & loop which can be used for more than 10000 times.