Foot Switch Rebuild Kit compatible with Marcus. 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. Single kit