Marine Boat Yacht 316L Stainless SteelVertical WindlassAnchor Winch 12V 600W/900W/1000W For the winch, you can choose the standard winch without rope drum or winch with rope drum. Design for boats up to 14m/45ft Comes with powerful drives motors, designed for the rigid conditionsof the sea. Deck unit and vertical shaft is constructed of solid AISI 316L Stainless Steel for long term, trouble-free operation. These Low Profile windlass models are designed for smooth, silent operation and take up less space on the deck. Works with chain only or rope/chain combination. For winch detail specifications and dimensions, please see the winch listing photo. When you order the winch, please choose and tell us the Gypsy option(chain size) that you will use for the winch. H1-612/612D( 12V 600W) can choose to use one of below Gypsy options. Alt.1-Chain(DIN766): 6mm Alt.2-Chain(DIN766): 7mm Alt.3-Chain(ISO): 6mm Alt.4-Chain (ISO): 7mm Alt.5-Chain (HT G43): 1/4'' Rope: 12-14mm,1/2"-9/16 H2-912/912D( 12V 900W) can choose to use one of below Gypsy options. Alt.1-Chain(DIN766): 6mm Alt.2-Chain(DIN766): 7mm Alt.3-Chain(ISO): 6mm Alt.4-Chain (ISO): 7mm Alt.5-Chain (HT G43): 1/4'' Rope: 12-14mm,1/2"-9/16 H3-1012/1012D( 12V 1000W) can choose to use one of below Gypsy options. Alt.1-Chain(DIN766): 8mm Alt.2-Chain (ISO): 8mm Alt.3-Chain (HT G43): 5/16'' Rope: 12-16mm,1/2"-5/8" Deck thickness: 20-40mm(3/4"-1.5"); On request, shaft and studs can be supplied for greater deck thickness up to 65mm/2.5". H3, 32-60mm,up to 90mm-3.5" Important: Windlasses must be used in conjunction with a chain stopper to take the load off the windlass while laying at anchor. The listing price does not include any destination duties/taxes/custom fees/etc. that will be due when the product arrives at destination countries/regions. It is the customer's responsibility to pay for all custom duty/taxes/custom fees if any.