... Velcro Discs Grit: P36-P1200 Hole: 1,4,5,6,7 holes Size: 100mm,115mm,125mm,150mm,180mm,230mm Velcro ... backing Silicon Carbide Velcro Disc Grain Backing Diameter X ... Hole sizeGrit No.SI. Velcro 36406080100120150180240280320360400VELCRO DISCS100MM/4.0"X16MM 115MM ... , 5, 6, 7, 8 holes or customerizeInterface: velcro or pressure-sensitive adhesiveSize: 2", 3"”, 4", 4 ...