Dock Float, Hollow, 24" x 60" x 08"Fits most aluminum and wooden docks. Can be installed or retrofitted on new or used docks. Recyclable and environmentally friendly (will not contaminate the waterways). Thick and strong bolting flange of 3.81 cm (1.5 in.). 12 bolt slots to fasten to the dock and for easy installation. Very durable. Easy to install Anti-UV, complies with FDA title 21. Rotationally molded for seamless, one piece construction, with a 0.38 cm (0.15 in.) wall thickness. All units are resistant to damage by animals, ice and contact deterioration from petroleum products. NET floatation capacity of 370 lb or 168 kg