Manufacturer part #: 3173
Technical Description
High-Load Single (pair)
2 1/4 in
57 mm
6 7/16 in
164 mm
2 1/4 in
57 mm
35 oz
981 g
7/16 in
12 mm
11/16 in
28 mm
2500 lb
1134 kg
5000 lb
2268 kg
1:1/2:1
Manufacturer part #: 3173
3173 and 3174 high-load controls allow 2:1 to 6:1 purchases on offshore boats with mainsails over 37 m2 (400 ft2). Controls feature 57 mm Black Magic® Big Boat ball/roller sheaves and high-load aluminum sideplates.
3173 and 3174 high-load controls allow 2:1 to 6:1 purchases on offshore boats with mainsails over 37 m2 (400 ft2). Controls feature 57 mm Black Magic® Big Boat ball/roller sheaves and high-load aluminum sideplates.