Hindustan Everest Tools Limited manufactures Double Open End Spanner. Hindustan Everest Tools Limited is an ISO 9001-2000 certified company offering a wide range of hand tools like Spanners, Sockets, Pliers, Wrenches, Screw Drivers and accessories. The Double Open End Spanner is drop forged from chrome vanadium steel and is also hardened, tempered and chrome plated for corrosion protection. The Double Open End Spanner comes in different finishes with slim jaws, long oval shank and heads set at 15 degree.