Panel Mount requires a 5/8" hole and 1-3/4" rear clearance, normally closed circuit. Stop a runaway motorcycle if the rider gets separated from it and no need to worry about expensive blown engine parts from over revving with these quality Pingel Safety Kill Switches. Polished 6061 billet aluminum body for the performance-minded custom street/strip rider. Water-resistant switch, stainless steel internal components with 24" copper wire for dependable operation. Complete with clipped tether cord that extends to a full 50" length. Available in 7/8", 1", 11/8" and 11/4" diameter, for normally open or normally closed ignition systems, one piece, two piece and panel mount designs. Made in the U.S.A.