Check the listing for details. Stahlwille Combination 20 mm Wrench Spanner 13 Series. Condition: New. Listed at 23.80 USD. Untitled Document Stahlwille Combination 20mm Wrench Spanner 13 Series NB: This Sale is for a 20mm Wrench the picture shows 19mm for information only. Superb German manufactured combination 20mm (open box) Wrench with 15 deg crank on box end. STAHLWILLE AS DRIVE The Ring end is designed to transmit force onto the lands of the fastening thus avoiding rounding off of fasteners. See Picture on left. Drop forged from the very best steels to ensure the closest tolerances and sizing. The double-T profile ensures that the wrench even though slim will not bend in normal usage. The chromium plating is superb...the wrench is firstly cleaned thoroughly and then Nickel plated before chromium plate is applied ensuring no chance of peeling taking place. Length 230mm, Thickness of main beam is 7mm, Box End Thickness 13mm. Weight 176grams.