This 3 piece spanner set is ideal for installing monobloc taps. They are easy to use and the box spanners cover most commonly used monobloc tap nut sizes. The spanners are in chrome plated matt finish. Included in the set is 1 mm x 8 mm and 9 mm spanner, 1 mm x 10 mm and 11 mm spanner and 1 mm x 12 mm and 13 mm spanner as well as a tommy bar for added leverage.