Description

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.

• Maximum line Ø (mm) – 12 mm
• Maximum line Ø (in) – 7/16 in
• Maximum working load (kg) – 1134 kg
• Maximum working load (lb) – 2500 lb
• Purchase – 1:1 / 2:1