The BlueSpot Tools Monoblock Tap Spanners are manufactured from carbon steel with a galvanised finish for increased durability. Widely used in the installation and maintenance of pipes, automobiles and faucets. Ideal for use in small spaces. Double ended design. This set contains the following: 3 x Monoblock Tap Spanners: 8 x 9mm, 10 x 11mm and 12 x 13mm.1 x Tommy Bar 150mm. Specification: Spanner Length: 185mm. Ref: UTTK1427