Scotty #230 Powerlock Rod Holder Most popular value priced, positive locking, open style rod holder; Power Lock Interior Diameter:1.95; Mount Dimensions:4 x 2 x 2; Bolting Dimension:1 5/16 x 3 3/16 Universal cradle holds almost any rod and reel setupand has a front locking ring to prevent rod loss when travelling Includes 241 Combination Side/Deck Mount and can be mounted on top or side of gunnel Designed as amulti-functional rod holder for a wide range of large/medium or small fish species and virtually any watercraft Fully adjustable up and down and with 360 degrees of horizontal rotation