Description: Marine grade 316 stainless steel swivel hinge fitting Polished finish, corrosion resistance and durable Size: 2.76" x 0.98" x 1.77" (70 x 25 x 45mm); Hole spacing: 2" (51mm); Hole diameter: 0.24" (6mm) Universal fit, it can be mount at horizontal, vertical and all angle. For use with any bimini top cap fitting Package Includes: 4 Pieces Boat Swivel Hinges Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!