All 2.5mm PLUG 24-200-42, 2.5mm Mono plug 24-203-20, 2.5mm Mono Plug 24-211-30, 2.5mm Mono Plug 24-221-75, 2.5mm Stereo plug 24-223-59, 2.5mm Stereo Plug 27-322-68 3.5mm jack to 2.5mm plug. 27-422-105 3.5mm stereo jack to 2.5mm stereo plug