For all outboard, inboard/outboard, inboard, dual outboards, dual inboard/outboards and dual inboard installations. Meets requirements of existing laws covering mandatory use of emergency stop switches. Extra strong, coiled, self-retracting lanyard. Black matte finish for attractive appearance. Mounts in a 1 1/2 diameter hole. Overall dimensions of switch housing are 2 3/4 x 2 and requires 1 1/2 behind panel. Dual engine switches (KS-12 and KS-22) provide two completely isolated circuits to prevent feedback from one engine to the other.