Quick AL3 Vertical Windlass w/Drum - 1500W - 12 V - 5/16in Drums. This unit is composed of anodized aluminum in hard oxide which is a durable element when dealing with harsh marine environments. It comes in different variations such as with or without the drum capstan for rope retrieval as well as various gypsy sizes for rope and chain retrieval. Equipped with an emergency manual lift system you can easily retrieve your anchor during instances when you may lose battery power on your boat. Specifications for Quick AL3 Vertical Windlass w/Drum - 1500W - 12 V - 5/16in Drum: Manufacturer: Quick Color: Black Package Contents: Quick AL3 Vertical Windlass w/Drum - 1500W - 12 V - 5/16in Drum Quick FSAL1512D008A00: AL3 Vertical Windlass w/Drum - 1500W - 12 V - 5/16in Drums