The Sea-Lect Designs Kayak Adjustable Foot Brace with Rudder Control has 10 inches of adjustable travel with a flip of the lever. The two mounting holes (on each unit) will fit the existing hole spacing common in the hulls of most kayaks. Thru-hole mounting for easy installation. This Footbrace is designed to be maintenance free and self-cleaning. Built for strength. The ergonomically designed pedal is comfortable even with bare feet.