Manufacturer part #: 3174
Technical Description
High-Load Double (pair)
2 1/4 in
57 mm
6 7/16 in
164 mm
2 1/4 in
57 mm
41 oz
1169 g
7/16 in
12 mm
1 15/16 in
49 mm
1650 lb
750 kg
3300 lb
1500 kg
3:1/4:1
Manufacturer part #: 3174
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.