MODEL:RHX99 Materials: Abrasives:aluminium oxide Bond:resin over resin Cloth:X-weight,66%polyester,35%cotton Rigid cloth Application: Grinding for wood, for metal ,and suitable for machine belt .l IN ROLL : Width 25,40,50 100,200 230,300 690,840 Length: 25000 50000 GRIT :24-600#