Description: High polished 316 marine grade cast stainless steel construction Mirror-like appearance to suit modern watercraft Assist with setting and retrieving the anchor White nylon roller to prevent rope chafing and protect your boat's finish Easy to install, using 3 mounting screws (screws not included) Specification: Material: 316 Stainless steel Color: Silver Slot Inner Width: Approx. 51 mm/2 inch Mount Base: Approx. 99 x 54 mm/3.9 x 2.13 inch Screw Hole Diameter: Approx. 10 mm/0.39 inch Package Includes: 1 Piece Boat Bow Anchor Roller Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!