Compact line cord for 72-11565 test set.
72-11565 - Compact DSP Telephone Test Set
A low cost, compact test set, featuring the unique “Digital Services Protection" design feature which allows the tester to be used safely in a mixed analogue and digital services network.
72-11580 - Motor & Phase Rotation Tester
A handheld Motor and Phase Rotation Indicator designed to detect the rotary field of three phase systems and motor rotation direction.
I have used MCM for many years and would give high recommendation for getting the job done right.