Perko Removable Bi-Color Pole Utility Light 12" - Black [1421DP2CHR] Marine Hardware | Chocks Inside diameter is about 1-5/8”

Inside diameter is about 1-5/8” inches

and increase the output

Black natural rubber

(12) Swivels

Perko Removable Bi-Color Pole Utility Light 12" - Black [1421DP2CHR] Marine Hardware | Chocks Inside diameter is about 1-5/8”Removable Bi Color Pole & Utility Light Black Certified For Use on Power Driven Vessels Under 20M (65. 6') in Length Features: Black Polymer Top and Collar with Red and Green Lenses 3 4" Diameter Anodized Aluminum Tube Deck Illuminating Utility Light Stow A Way Plug in Type Pole Requires 3 Pin Mounting Base Specifications: 12 Volt Bulb (Included) Locking Collar Pole Rake: 0 Fits Bases: 1045 & 1047 (3 Pin) Specifications: Housing: Black Lens Color: Red