This floating inside joist corner kit includes 2 heavy duty inside joist corners and 4 washer plates use for all floating dock applications hardware is 14 In. nominal hot dipped galvanized steel with 916 holes for 12 In. carriage bolts. Heavy duty hot dipped galvanized steel hardware. Includes 2 x heavy duty inside joist corners 2. 5 in x2. 5 in x 14 in. Includes 4 x heavy duty washer plates 1. 5 in x 5. 25 in x 14 in. Instruction plan is included. For floating dock construction. Includes 4 heavy duty washer plates, 1.5 in. x 5.25 in. x 1/4 in. For floating dock. | Dock Edge Inside Joist Kit, Floating