Stahlwille Series 540 Metric Crow-Foot Spanners have a 3/8in Drive and can be used with either socket tools such as extension bars and ratchets, or with torque wrenches. PLEASE NOTE: Ensure the settings on the torque wrench are modified. Manufactured from chrome alloy steel and chrome plated. Made in Germany.Select Option 13 mm16 mm17 mm19 mm22 mm24 mm26mm27mm28mm30mm32mm36 mm8mm Add to Basket Quantity