Heavy duty aluminum whisker pole can be extended and securely locked in position by an internal twist lock device. Features self-latching fittings on the inboard and outboard ends. End fittings are Ultra Series end fittings for superior strength. Use Pad Eye #400002, PE-3SC (Curved Base). 1-7/8" Outer tube diameter. With self-latching fittings on both ends. Model ADJ 7-15-DL Length 83"-169" 3-Section Boat Size Up to 25' Weight 8 lbs.