Satisfy Your Needs: the package comes with 150 pieces of change discs in 2 inch and 36 grit,With tray and linkage. sufficient in quantity, enough to meet your daily use; Note: please pay attention to the size before buying Quality and Reliable Material: this 2 inch roll lock is made of quality aluminium oxide abrasive grains, featuring active grinding aid and reducing heat buildup, with shrill grinding and good polishing effect, giving you a better effect experience; The powerful cutting function can withstand high intensity cutting work Wide Range of Applications: the surface conditioning disc is an perfect choice for grinding or polishing metal, as well as grinding wood, suitable for Auto parts, construction machinery, , other metals and non metals, rust burr, paint and more Small Body Yet Big Strength: the grinder sanding disc is than shrill products such as knives, although only 2 inches, the small body has a lot of strength, largely improving the grinding efficiency, which can be applied lastingly Easy to Use and Replace: you can install the roll lock disc on the air drill, electric drill, die grinder and other rotary tools, only need to turn the roll lock disc to fix it on the mandrel, achieving sanding effectively control of the die grinder disc The physical raw materials are randomly, don't accept the specified Colour:red Material:Aluminum oxide Package Contents: 1 set x change discs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.