MARK V LAB METALLURGICAL POLISHING CLOTH IN ADHESIVE BACK (PSA), METAL BACK (WITH MAGNETIC WHEEL) & PLAIN BACK (WITH HOLDING BAND) FOR ALL MARK V LAB, BUEHLER, LECO, STRUERS & ALLIED POLISHERS. MARK V LAB METALLOGRAPHIC POLISHING CLOTH REFERENCE GUIDE BELOW HAS APPLICATION GUIDE AND 20X PHOTO OF THE CLOTHS TEXTURE. NOTE: MOST CLOTHS LISTED ARE ALSO AVAILABLE WITH METAL BACK. CONTACT US FOR MORE INFORMATION.