WRENCH STEEL STRAP 1,HOLDS AND LOCKS AROUND ANY SHAPE OR SIZE IDEAL FOR AWKWARDLY SHAPED PIECES 2,MATERIAL:STAINLESS STEEL WRENCH STEEL STRAP FEATURES:"ENGINEERED TO GIVE POSITIVE GRIP ON FROZEN FILTERSCANNOT DAMAGE CASTINGS, AS SCREWDRIVERS, CHAIN WRENCHES, OR OTHER INADEQUATE TOOLS DOGOES ON EASY - CANNOT SLIP GRIPS EVENLY ALL AROUND" Wrench steel strap