USAG Extra Long Combination Wrench-10mm - part of the Facom/USAG 40LA series although the Facom version only goes down to 19mm (USAG also offers the 10-18mm sizes). Chrome finish. Combination wrench length comparison...39.10=103mm, 440.10=145mm, 440XL.10=175mm, 40LA.10=212mm (length data per USAG catalog)