Turn Your Grinder into A - The 5 Inch backing pad is used to hold sanding discs in an grinder. 80 PACK sandpapers assortment from coarse to fine to satisfy the requirements of customers. 10PCS*40/60/80/120/180/240/320/600 Grit Upgraded Design - The reinforced backing pad of the grinder sanding disc set is more durable than the general one. The soft and flexible sponge pad reduces tool vibration and adds support for backing pad to abrasive cutting and tighter edge polishing. It also protects the backing pad from damage and is suitable for polishing uneven surface. High Efficiency and Cost Saving - The grinder attachments work much a random Track for aggressive sanding. The time you save with this is worth double or more. made polyurethane material and has good balance. Easy Install and Removal - The backing plate is designed to thread directly onto the grinder spindle and no adapters needed. and loop function provides easy closure for removing disc without wearing out overall strength. Suitable for grinders with 5/8-11 thread. This kit also includes a 8mm drill attachment to cope with a normal power drill. MAX 12200 RPM. Widely Application - Sanding disc for grinder works with grinding and finishing on metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. Also works very aggressively to shape and remove wood to clean scratch//paint free surface. Material: Sandpaper colour: As Shown Package Contents: 1 x 5 in/125 mm upgraded and loop backing pad 80 x Grit 40/60/80/120/180/240/320/600 sanding discs (10 pcs of each model) 1 x 10MM Foam Cushion 1 x Drill Screw Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.