Part Number: 58290010. Tool abuse or modification void this warranty. Stahlwille 7370/10 Adaptor, External drive 9x12 mm; Internal drive 14x18 mm. Manufacturer: Stahlwille. For using insert tools with an outer square drive of 14 x 18 mm on torque wrenches with an internal square drive of 9 x 12 mm.
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