The Westlake Match Rod Rest Arm 24cm is a seat box accessory arm that can be used for several different things._ Suggested uses include pole sock fitting, short front rest, rear rest for feeder fishing, bait waiter fitting arm, rod rest arm and even an up-and-over pole roller holder._ It's fitted with a 3/8BSF screw fitting and detaches from the main knuckle by releasing the locking wheel._ The rod rest arm will fit most modern-day seat boxes that have leg diameters of 25mm, 30mm or 36mm._(Image shows seatbox which is not included.)Length 24cm.Rod rest arm.Detach wheel.