This handy 12 piece Combination Spanner Set from Silverline offers a range of popular sizes from 8 - 19mm. Each spanner features an open end and a bi-hexagonal end for versatility, with a 15° offset for accessing hard-to-reach nuts and bolts. Used for plumbing and automotive applications, and when working on gas pipes, the design and construction of these high-quality spanners enable you to get optimum access around pipework and other obstructions. Made from hardened and tempered, drop-forged chrome vanadium steel construction with satin-finished handles and fully-polished heads for long-lasting durability.