The Half Inch Stop End is most commonly used with 1/2 inch rigid pipe and 1/2 inch flexible rigid pipe.
Best to use a plumbing cleaner then pipe cement to assemble. Pipework pushes inside this part.
*White is shown in this picture but part sent out would be grey.*
Internal Diameter: 25 mm
Outer Length: 25 mm
Depth / Diameter: 22 mm