Marus Foot Switch Rebuild Kit Used to Repair Older Type Marus Chair Foot Switches 25R323 Kit includes: 3/8" Nylon Balls, 2 each 1/4" Nylon Balls, 4 each Micro Switches, 6 each 1/8" x 1/2" Stainless Pins, 4 each Cover Plate Assembly Switch with Pin Assembly, 2 each Activator Springs, 2 each Activator Pin Bushings, 4 each Foot Switch Insulator, 1 each