Detailed Product Description Raw material: XA abrasive cloth backing, modifying phenolic resin, treated brow aluminium oxideUsage: flap wheels and flap discsApplications :steel, stainless steel,copper, cobalt, hardware, etc.. more endurable than GXK51-ZQ Grit: 24#~600# (others available upon repuest)Strength: 1900~2100 N/50mm Width: 830mm Key words: abrasive cloth abrasive abrasive tool