We needed to join some 1.5" ABS pipe without bulky noticable connector. This was a low profile connector. If you need to fix it with a screw, for safety reasons, feel free.

Dimensions of original ABS pipe 1.5" schedule 40
1.5" ABS pipe measures internal dimension as 40mm and so this part has internal mating dims as 39.5mm diam, and Inner dim of this coupler I believe is 35.5mm.
Actual 1.5" ABS pipe outer diam is 48.2mm

Disclaimer: This is not designed for plumbing purposes, it is intended for use when ABS pipe for is used for decoration or display purposes.