- Part of the Siegen by Sealey range of quality tools at competitive prices. - Professional socket set manufactured from hardened and heat treated Chrome Vanadium steel. - Fully polished with a mirror finish. - Covers sizes from 4 to 32mm. - Includes 72-tooth comfort grip ratchet wrenches, spark plug sockets, extension bars, socket bits, bits, spinner handle and accessories. - Supplied in storage case. - Lifetime guarantee*.