Metric Double ended ratchet spanners with 4 sizes each, saving space and weight in the toolbox. 72 teeth lever ratcheting system that requires only 5 degree movement to operate, making them ideal for use in tight areas. Made from high quality Chrome Vanadium Steel with mirror polish finish to prevent oil and dirt from adhering to the spanner. 3 Piece Set The most commonly used 12 sizes in just three spanners, 8 - 19mm. Supplied with storage roll. Sizes (per spanner): 8, 10, 12 and 13mm. 9, 11, 14 and 15mm. 16, 17, 18 and 19mm.