ESSEN ENGINEERS INTRODUCES A WIDE RANGE OF METAL FINISHING AND POLISHING PRODUCTS. SPIRAL BANDS OR ABRASIVE SLEEVES/SPIRAL BANDS /DRUM SANDERS AS THEY ARE COMMONLY KNOWN ARE MADE OF SPIRALLY WOUND ABRASIVE PAPER OF SPECIAL STRUCTURE WITH AN INTERLOCKING BASE CLOTH GIVING THESE SLEEVES A PROMINENT FLEXIBILITY TO WORK IN DIFFICULT CONTOURS/PROFILES. THESE ARE MOUNTED ON A SERRATED RUBBER HOLDER WHICH WHILE ROTATED EXPANDS THEREBY TENSIONING THE ABRASIVE SLEEVES AND INCREASING TOOL RESILIENCE GIVING THE OPERATOR EXTREME FLEXIBILITY FOR CONTOURING IN INTRICATE PROFILES/CAVITIES IN DIES, MOULDS, COMPONENTS, ETC, AND IMPARTS A HIGH DEGREE OF FINISH/POLISH AS IT UTILISES ITS FULL WIDTH AND GUARANTEES EQUAL GRINDING GIVING A UNIFORM CHATTER FREE AND BURR-FREE SURFACE. ABRASIVE SLEEVES ARE PERFECTLY SUITED FOR FINISHING/POLISHING OF PLASTIC AND FORGING MOULDS/DIES, SPOT-WELDS, CAST PARTS, WELDED JOINTS, PIPE ENDS, MACHINED COMPONENTS, ETC. THEY CAN BE USED ON STEELS, STAINLESS STEELS, HASTALLOYS, TITANIUM, WHS, AND NON-FERROUS MATERIALS. THESE ARE RECOMMEND FOR USE AT RPMS BETWEEN 40,000 TO 7,000 ON PNEUMATIC GRINDERS, HIGH SPEED ELECTRIC GRINDERS AND FLEXIBLE SHAFT GRINDERS.IN DIFFERENT SIZES THESE ARE AVAILABLE.