HD - XL Double joist kit - 79003-45

Used to reinforce the joints of your dock and designed for double lumber.

Kit includes:

• 4x Joist corners (item 30040);
• 4x Backer plates (item 30050);
• 8x Carriage bolts 1/2'' x 3'';
• 4x Carriage bolts 1/2'' x 4-1/2'';
• 12x Nuts 1/2'';
• 12x Lock washers 1/2''.