ITEM NAME:6" Stainless Steel Open Base Boat Dock Deck Rope Cleat Marine Yacht Bollard Description: Material: Marine Grade 316 Stainless Steel Size: 150 x 19mm / 6 x 1.75 inch (L x W) Base Length: 4cm/ 1.57 inch; Hole Diameter: 0.5cm / 0.2 inch Distance between the base hole centre: 4cm / 1.57 inch Base to Base, Hole centre distance: 4cm / 1.57 inch Package Includes: 1 Piece Boat Cleat.1 Piece Boat Cleat. Material: Marine Grade 316 Stainless Steel.