Made of 1/4" plated steel. Unmatched holding power. Completely collapsible. Incredibly light weight. Unmatched holding power in hard or soft bottoms Unique sliding ring design guarantees release every time. Collapsible to 2 1/4" for easy storage in small lockers. Model 55-9300 Frame 24" x 11". Wgt 11 lbs. 16' to 22' Boat