This Faithfull box spanner set is A six piece set of double ended box spanners complete with tommy bar, bright plated for corrosion resistance. The set includes the twelve most popular sizes which are ideal for use by both tradesmen and home users. These spanners are particularly suitable for automotive repair jobs and plumbing maintece work and include most of the commonly used spanners for plumbing backnut applications. Set contains 8mm & 9mm Box Spanner 10mm & 11mm Box Spanner 12mm & 13mm Box Spanner 14mm & 15mm Box Spanner 16mm & 17mm Box Spanner 18mm & 19mm Box Spanner Tommy Bar