Footswitch | Model D, UC1/2Specifically designed with 3 prong round plugs, it can be used with UC 1, model D and older model UC 2 Hinkel epilators. With its 90 cord, it can be easily and conveniently accessed during electrolysis treatments. The pedal measures at 3. 5 by 2. 5. Specifications: 90 cord length, 3. 5 x 2. 5 x . 75 pedal Footswitch Plug Pedal Made For 2 5 Round, 3 prong, black Square UC 1, Model D, older UC 2 2 5R Round, 3 prong, black Round UC 1, Model D, older UC 2