FLAP DISC (HARD BACKING) DISCRIPTION Grain : ZIRCONIA , ALUMINIUM OXIDESize : 4" , 5"Grit : P40 -P180 FLEXIBLE FLAP DISC DISCRIPTION Grain : ALUMINIUM OXIDESize : 4"Grit : P40 -P.400 FIBER DISC DISCRIPTION Grain : CERAMIC / ZIRCONIA / ALUMINIUM OXIDESize : 4" , 5" , 6"Grit : P16 -P120 ROLL LOCK DISC DISCRIPTION Wide size : 45mm. 50mm. 75mm.Grit : P40 -P240Grain : Zirconia , Aluminium Oxide Hard non-woven FLAP WHEEL DISCRIPTION Size : 25 x 25 x 6mm 30 x 25 x 6mm 50 x 25 x 6mm 25 x 30 x 6mm 30 x 30 x 6mm 50 x 20 x 6mmGrain : Zirconia , Aluminium Oxide MOUNTED WHEEL DISCRIPTION Size : 25 x 25x6mm 30 x 25 x 6mm 50 x 25 x6mm 25 x30x6mm 30 x 30x6 mm 50 x20 x6 mm STRIP DISCRIPTION Disc Size : 4"Wheel Size : 100 x 100 mm.