Dock Edge Howell Dock Hardware Stationary Inside Corner Kit with 4 Inside Corners and 4 Backer Plates Heavy Duty hot dipped galvanized steel hardware Includes 4 Heavy Duty inside corner plates that measure 5-Inch x 5-Inch x 1/4-Inch Includes 4 Heavy Duty back plates that measure 5-Inch x 5-Inch x 1/4-Inch For Floating Docks Instruction plan is included