C.E. Smith Double Slot Swivel Bolster Bracket Assembly - 13". E. Smith's adjustable bracket is designed to support roller bunks. Hot dip galvanizing for years of use in the harsh marine environment. This bracket assembly uses bolster bracket-10102G and swivel bracket-10200G. Specifications for C.E. Smith Double Slot Swivel Bolster Bracket Assembly: Manufacturer: C.E. Smith Color: Silver Features of C.E. Smith Double Slot Swivel Bolster Bracket Assembly Bolster bracket: 12" bracket 11 gauge material 2-1/2" wide slots 1/2" wide swivel hole 1/2" dia. slots 4-3/4" Swivel bracket: 11 gauge material bunk flange 1-3/8" x 3-1/2" bunk flange holes 3/8" dia. swivel flange 2" tall x 3-1/2" swivel flange hole 1/2" dia. hole centers 2-1/2" Overall assembly length is 13" Package Contents: C.E. Smith Double Slot Swivel Bolster Bracket Assembly C.E. Smith 10102G40: Double Slot Swivel Bolster Bracket Assembly - 13"