This effective 8 hole sanding plate can be used with a grinder with a collection systems Sanding disc suitable for random orbital sander with a diameter of 125mm sanding disc : the replacement pad needs to be replaced, simply remove 4 screws that hold the pad on grinder and replace it with a new Make of technical, highly temperature resistance, durability 8 collection holes can suck and dirt into the entire bag, reducing the load on the body, Manufacturer: Xjdzineq