The Scotty Powerlock Rod Holder No.339 comes with a portable mounting clamp. The Scotty No.339 has a unique cradle that accomodates virtually all reel types. There is a wide range of locking positions, whether it be horizontal or vertical, you will be covered.
The heavy duty clamp features a 2" opening. The Scotty No.339 is ideal for an aluminum boat or canoe.