This servo saver set is a generic generally used on Tamiya off-road and on-road vehicles. Features: White nylon/plastic molded components. Many pieces to allow adaptation to various vehicles and servos. Includes: Servo adapters for : SPLINED- Futaba, Sanwa, Acoms, JR Propo, KO Propo, SQUARE- Futaba and KO Propo. Tensioned saver springs (strong and weak) Crank (straight and offset) Tapping screws (3x12mm, 2.6x10mm and 2x10mm) Screw spacers (3&2.6mm, as well as 2mm