Strap wrenches provide gripping power without scratching or deforming plastic or polished metal pipe. Use on plastic pipe, filters, or any slick or smooth surface. Strap wrenches work well on irregular shapes, too. REED's extra strong, coated polyester strap provides slip resistance, and durability. REED Hand Tools are for the professional trade and are warranted against all failure due to defects in workmanship and materials for the normal life of the tool.2Gripping power without scratching or deforming plastic or polished metal pipe | Polyurethane coated strap | Strap made of strong woven nylon | Extra-long straps for increased leverage on large diameters | Popular for filters