Mounting hole is 1-5/16"

Front and rear ventilation

For use on windshields

Tested 100 psi air under water

A Width B Length C Height  Screw Size 11/16" 3-1/4" 15/16" No

Quick HC3 724ADB Aluminium Windlass Gypsy & Drum R (700W 24V 8mm) Front-Loading Refrigerator Mounting hole is 1-5/16"The Quick HC3 Hector 724ADB horizontal windlass is suitable for boats from 7m to 10m (23 to 33ft). The on deck windlass is easy to install with an anodised Aluminium base and jacket, making it well protected and durable. Supplied with pressure lever control and a built in manual emergency recovery system, anchoring has never been easier. The Quick windlass features an 8mm (5 16) gypsy on the right side, which is suitable for 8mm DIN766, 8mm ISO, 5 16