JDK 4 inch polishing rubber pad jdk1802r hook and loop backing pad with 5/8&s;&s;-11 arbor

SPECIFICATION:Diameter:4”(100mm),Thickness:1.38”(35mm) | CONNECTOR:Rubber backer with brass arbor 5/8″-11 thread and water hole | PREMIUM QUALITY:Hook and loop backing pad made with premium grade rubber | APPLICATION:.Back holder can attached to diamond polishing pads of same or larger size,use for stone edge profile,flat surface,floor polishing | NOTE:Backer’s max capacity is 4500RPM, please don’t use it with high speed grinder/polisher.