- Part of the Siegen by Sealey range of quality tools at competitive prices. - Chrome Vanadium steel ratchet combination spanner set. - Sizes: 8, 10, 12, 13, 14, 17, 19mm. - 72-Tooth, ratchet ring and gear set requiring only 5� rotation to pick up the next tooth, ideal for applications where space is limited. - Supplied in storage rack. - Lifetime guarantee*.