Check the listing for details. Floating Dock Anchor Marine Grade Polyethylene Shell Docking System Anchoring. Condition: New. Listed at 137.95 USD. 10 in. x 24 in. x 24 in. Heavy Duty Polyethylene Floating Dock Anchor Mold for Floating Boat Dock SystemsHold around 250 lbs. concrete to keep your dock in placeMolded from marine-grade polyethylene for dock deckingEnhanced durability to support any boat dock system Tommy Docks / TechStar - Floating Dock Anchor Mold (Dock System Float Drum) is designed to hold approximately 250 lbs. of concrete to help hold your dock in place. Utilizes Marine Grade Polyethylene as the shell. Mold design of the form allows the anchoring chain to attach through the center of the anchor. Eliminates the need to embed anchor chain directly into concrete.Color: BlackMarine Supplies Product Type: Other Marine HardwareMaterial: PolyethyleneProduct Weight (lb.): 11 lbReturnable: 90-DayManufacturer Warranty: 10 Year LimitedProduct Depth (in.): 24 inProduct Height (in.): 10 inProduct Length (in.): 24 inProduct Width (in.): 24 inWall Thickness (in.): .187