Rod butt rest attachment for OffBox 36 system.The Preston OffBox 36 Deluxe Butt Rest Arm clamps to your seat box to give you precise rod butt placement. This attachment can be adjusted to different leg sizes using the inserts provided.Rod butt rest attachment for compatible seat boxesFull adjustable - precise rod butt placementPerfect for feeder fishingSnap Lok quick release camsEasy to set up and pack downDutch Master EVA rest head includedInserts included (30mm round, 25mm round, 23mm OffBox)Compatible with most seat box systemsColour: Blue