Pontoon Bolster Bracket - 15-3/4" x 2". Pontoon bolster brackets support bunkboards in a shallow V cradle configuration that best suits pontoon hulls. Best when installed with 2x6, 2x8, or 2x10 carpeted bunk boards laid flat. A bracket should be installed at each frame cross member for maximum support and load capacity. Specifications Size: 15.75 x 2" Weight: 3.8 lbs