[Perfect for Tight Spaces] The basin spanner is designed to reach into hard-to-reach spaces behind the sink to tighten or loosen the mounting nut on the tap or the flexible supply pipe nut attached to of the tap. It is a must-have plumbing tool. [Sink Tap Spanner] A basin spanner is used to install or remove a kitchen or bathroom sink. Because of its long shaft, you can use it in hard-to-reach places under the sink for tight spaces. [Easy to Use] Place the spanner correctly, fit it to the mounting nut, then turn the spanner and tighten. The high leverage handle can be stored in a drawer or toolbox. It is suitable for DIY plumbing projects. [Package Contents] You get a 13mm hexagonal tap spanner with 9mm, 10mm, 11mm, 12mm, 14mm, 17mm replacement valve sleeve adapters, 1 wrench collet. Compatible for most single valve taps. [Usage Tip] Interchangeable heads do not face down. Each adapter is labelled with specifications, find the right adapter when using, insert the unnumbered end into