Unior Offset Open Ring Wrench 8 X 10MmUNIOR: Product featuresmaterial: premium chrome vanadium steeldrop forged entirely hardened and temperedsurface finish: chrome plated according to ISO 1456:2009profile up to dimension 12x14 is 6 point from 17x19 to 30x32 is 12 pointUsage:In industry and repair shops specializing in hydraulic and pneumatic installationsThis wrench helps working on joints where the use of standard ring wrench is impossible due to the nature of the job (ex. unions on steel cables hydraulic and water pipes and on valves etc).