No longer obtainable - Refer to DD-0000073
(37.8mm long) (T-bar mounting) (3.3mm coupler pin) (thumb tack is 30.0mm out from end) (new design) (armature pin is 34.2mm out from end)
(Waytechson - MD001A-M4 - Coupler Armature) (MD001A-M5 - Armature Pin) (MT001-M3 (Thumb Tack)
(use DD-0000002 as an alternate part for 20-6519)
