TECHNICAL SPECIFICATION: Forged from Chrome Vanadium Steel, Hardened and Tempered, Chrome Plated, Each Head set at 15 angle, Conforming to IS 2028-2004. The Double End Spanner, populary known as DOE spanner is a one-piece wrench with a U-shaped opening that grips two opposite faces of the bolt or nut. These spanners are usually Double-ended, with a different-sized opening at each end. The ends are generally oriented at an angle of around 15 degrees to the longitudinal axis of the handle. www.samsindusneeds.com stocks all inch size of the De Neers Double open end spanner with some great pricings. HSN CODE: 82041110. NOTE: The Product available in corresponding Metric or Inch specification will be billed and dispatched.