Levers have 2-1/2″ travel; fits on left or right side of cockpit and can be used in tandem. Each has aluminized Mylar knob inserts and built-in friction lock. Ends of throttle and prop levers have 3/16″ dia. holes for attachment of push-pull control with clevis terminals. End of mixture lever has 0.076″ dia. hole to accept solid wire control.