Description
3173 and 3174 high-load controls allow 2:1 to 6:1 purchases on offshore boats with mainsails over 37 m? (400 ft?). Controls feature 57 mm Black Magic Big Boat ball/roller sheaves and high-load aluminum sideplates.
Length (in) 6 7/16 in
Sheave ? (mm) 57 mm
Sheave ? (in) 2 1/4 in
Length (mm) 164 mm
Width (mm) 57 mm
Width (in) 2 1/4 in
Weight (g) 981 g
Weight (oz) 35 oz
Maximum line ? (mm) 12 mm
Maximum line ? (in) 7/16 in
Maximum working load (kg) 1134 kg
Maximum working load (lb) 2500 lb
Breaking load (kg) 2268 kg
Breaking load (lb) 5000 lb
Height above track (mm) 28 mm
Height above track (in) 1 1/16 in
Weight for pair (g) 981 g
Weight for pair (oz) 35 oz
Purchase 1:1 / 2:1
