Scotty Black Power Lock Fishing Rod Holder Set with 241 Side Deck Mount Four.. Scotty 230-BK-QUAD Black Power lock Rod Holder comes with 241 side/deck mount in a four pack. All post mount Scotty Rod Holders are fully adjustable up and down, rotating 360 degrees. Bolting dimensions are 1 5/16″ x 3 3/16″. Scotty’s most popular value priced, positive locking, open style rod holder. Universal cradle holds almost any rod and reel setup and has a front locking ring to prevent rod loss when travelling. Manufactured with fiber reinforced engineering grade nylon, the Power Lock offers strength, resilience and reliability. Includes 241 Combination Side/Deck Mount and can be mounted on top or side of gunnel. All post mount Scotty Rod Holders are fully adjustable up and down and with 360 degrees of horizontal rotation.