The 8 Piece Faithfull Box Spanner Set. Includes 16 of the most popular sizes used by both tradesmen and home users and is ideal for use on recessed, deep set or otherwise hard-to-reach nuts and bolts. Each spanner is manufactured from durable steel piping and is plated with a bright coating to protect against corrosion. Great for a range of automotive repair jobs and plumbing maintenance work.This set is supplied in a durable nylon storage roll. Contains:1 x 6mm & 7mm Box Spanner.1 x 8mm & 9mm Box Spanner.1 x 10mm & 11mm Box Spanner.1 x 12mm & 13mm Box Spanner.1 x 14mm & 15mm Box Spanner.1 x 16mm & 17mm Box Spanner.1 x 18mm & 19mm Box Spanner.1 x 20mm & 22mm Box Spanner.1 x Tommy Bar.