Tie Down Engineering J) Outside Corner, Female. Build your own dock with this hardware and the lumber you purchase separately.We offer a complete line of rugged dock hardware for building a dock at your summer cabin or waterfront home. Designed primarily for non-commercial users, it's sturdy enough for boatyards and smaller marinas.Commercial Grade (1/4”) Tie Down Dock Hardware is designed for use with 1-1/2” thick lumber (sold separately, minimum width 6”). All hardware is mounted with 3/8” carriage bolts. All male and female dock to dock connections are made with either 3/4” bolts with lock nuts or 3/4” connecting pins. Tie Down's Wood Dock Planning Kit will show you the basics of building a lightweight and long lasting floating dock system.Useful ResourcesTo help get you started, we offer a Planning Kit that's filled with details about dock design and construction. Once you have a plan and materials list, we'll supply the hardware andyour local lumber yard can provide the wood. For ideas on constructing your own dock, take a look at detailed plans: Planning KitFor construction details seeDock Hardware Building Plans Several sizes of float drums are available, please search under Model 140264List of Components A. Inside Corner:Used in combination with Outside Corner (E) to connect side and cross stringers on end of dock section. Includes welded gusset for dock framing. Requires eight 3/8" carriage bolt sets.8 1/4"L x 5"H with 2 1/4" elongated holes. H. Washer Plate:Used with cross stringers to back up Angle Braces (C) or Pipe Holders (I). Two carriage bolt holes.1 1/2"L x 5"H. Four 9/16" holes om 3 1/2" centers.