Sanding Discs used for grinding and polishing materials like metals and non metals, wood, plastic, leather, rubber, stone, glass, and durable aluminum oxide sand disc is the best choice. The round sanding discs used in many domains like industrial, automotive, woodworking, marine and more. A high strength resin bond used on the sanding disc which gives better surface finish and complete cleaning and polishing effect. Sand discs have a hook and loop sandpaper backing which make grit removal and replacement quick and easy and lengthen the life of the abrasive. The old hook and loop sanding pad replaced after dusting and cleaning to ensure its optimal function. The converter is applied when attached to an electric drill.