All Performa™ winches feature sandblasted drums optimized for halyard and sheeting applications using small-diameter, high-tech line. Self-tailing winches have narrow composite jaws to ensure superior holding power on small-diameter line. The self-tailing mechanism on the winch means that one crew member can quickly and easily trim or raise sails. Features Configuration - Self-tailing Speed 2 Drum Ø (mm) - 80 mm Drum Ø (in) - 3 1/8 in Base Ø (mm) - 149 mm Base Ø (in) - 5 7/8 in Height (mm) - 170 mm Height (in) - 6 11/16 in Weight (kg) - 3.6 kg Weight (lb) - 7.9 lb Line entry height (mm) - 79 mm Line entry height (in) - 3 1/8 in Minimum line Ø (mm) - 8 mm Minimum line Ø (in) - 5/16 in Maximum line Ø (mm) - 12 mm Maximum line Ø (in) - 1/2 in Fastener circle (mm) - 123 mm Fastener circle (in) - 4 7/8 in Fasteners (mm) - M6 HH, M6 SH mm Fasteners (in) - 1/4 SH in Number of fasteners - 5 Gear ratio - 12.13 Gear ratio - 25.65 Power ratio - 113.50 Power ratio - 235.90
![Sea Dog Twin Mini Compact Horn [431120 1]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/77929XL.jpg "Sea Dog Twin Mini Compact Horn [431120 1]")
![Sea Dog Trucourse Rudder Footbrace Kit [748100 3]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/103602XL.jpg "Sea Dog Trucourse Rudder Footbrace Kit [748100 3]")
![Sea Dog Twist Type Hatch Adjuster w/Elbow 14" [321296 1]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/77620XL.jpg "Sea Dog Twist Type Hatch Adjuster w/Elbow 14\" [321296 1]")
![Sea Dog Trumpet Air Horn Cover 3 15/16" Diameter 304 Stainless Steel [432590 1]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/80043XL.jpg "Sea Dog Trumpet Air Horn Cover 3 15/16\" Diameter 304 Stainless Steel [432590 1]")
![Sea Dog Two Pole Side Mount Rod Storage Rack Black [325029 1]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/77688XL.jpg "Sea Dog Two Pole Side Mount Rod Storage Rack Black [325029 1]")