Whitecap & Rope Deck Pipe 3-7/8" x 2-1/2" Opening Chain. S. Hinged Chain & Rope Deck Pipe Inside diameter - 3-7/8" x 2-1/2" Flange - 4-1/8" x 2-7/8" Fastener - #12(4) Max. Rope Diameter - 1-1/4" Slide top to right to lock into place. Specifications for Whitecap Chain & Rope Deck Pipe 3-7/8" x 2-1/2" Opening: Manufacturer: Whitecap Color: White Package Contents: Whitecap Chain & Rope Deck Pipe 3-7/8" x 2-1/2" Opening Whitecap 6008HC: & Rope Deck Pipe 3-7/8" x 2-1/2" Opening Chain