Scotty 400 Orca Rod Holder with locking combination Side/Deck mount has the fastest rod release of any holder on the market. With one quick motion, your fishing rod is lifted straight out into the fish fighting position.Fibre reinforced engineering grade nylon offers strength, resilience and reliabilityIncludes 241L Combination Side/Deck Mount withlock-downfeature and can be mounted on top or side of gunnelAll post mount Scotty Rod Holders are fully adjustable up and down and with 360 degrees of horizontal rotationBuilt-in front locking tab to prevent rod loss while travelingDesigned for big game fish like halibut, musky, salmon, sturgeon and other large/medium fish speciesORCA Interior Diameter: 40.6 mm (1.60") front47.2 mm (1.86") backMount Dimensions: 102 x 51 x 51 mm (4" x 2" x 2")Bolting Dimensions: 33 x 81 mm (1 5/16" x 3 3/16")