USAG Extra Long Combination Wrench-15mm - 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....440.15=185mm, 440XL.15=235mm, 40LA.15=277mm (length data per USAG catalog)