Used to Repair Older Type Marus Chair Foot Switches 25R323Marus OEM # 85R233 Kit Contains: 3/8 Nylon Balls (2) 1/4 Nylon Balls (4) Micro Switches (6) 1/8 x 1/2 Stainless Pins (4) Cover Plate Assy (1) Switch With Pin Assy (2) Activator Sprins (2) Activator Pin Bushings (4) Foot Switch Insulator (1)