The McAlpine 1 1/4" 95 Degree Multifit Bend X BSP Coupling Nut S5M-A is another plumbing fitting made by McAlpine that is used to connect pipes in waste and drainage systems. The "1 1/4"" measurement refers to the diameter of the pipe that the fitting is designed to connect to. The "95 Degree" angle indicates that the fitting creates a relatively sharp turn in the piping, redirecting the flow of water or waste. The "Multifit" designation indicates that the fitting is designed to be versatile and can be used with a variety of pipe materials, including copper, lead, and PVC. The "BSP Coupling Nut" refers to the threaded connection on the fitting that allows it to be securely attached to other plumbing components. The "S5M-A" model number likely refers to a specific variant or version of the fitting, although without additional context it's hard to say for sure. Overall, the McAlpine 1 1/4" 95 Degree Multifit Bend X BSP Coupling Nut S5M-A is a specific plumbing fitting that may be useful in certain waste and drainage systems where a relatively sharp turn is required and compatibility with multiple pipe materials is desired. ・ Available in 1¼" and 1½" sizes ・ Multifit Fittings suit all plastic waste pipes to BS EN 1451-1:2017 and BS EN 1329-1:2020 and copper pipe and lead pipe