The McAlpine STW70LNL is a long locking nut designed for use with McAlpine STW 1½" shower traps. It securely fastens the trap to the waste pipe, preventing leaks. This locking nut is longer than standard nuts, making it suitable for situations where the waste pipe is positioned further from the shower or bathtub. It is constructed from high-quality, durable materials for long-lasting performance and is easy to install, compatible with various plumbing systems. The STW70LNL ensures the shower trap remains securely fastened, preventing leaks and promoting efficient water drainage, avoiding standing water or blockages. This 1½" Long Locking Nut is a key component for McAlpine STW 1½" shower trap systems, ensuring a secure fit and leak-free bathroom, especially when a longer nut is needed. Available in 70 or 85mm sizes and suitable for all 1½" Shower Traps, it fits trays with a maximum thickness of 29mm.