Description
3174 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
Maximum line ? (mm) 12 mm
Maximum line ? (in) 7/16 in
Maximum working load (kg) 750 kg
Maximum working load (lb) 1650 lb
Breaking load (kg) 1500 kg
Breaking load (lb) 3300 lb
Height above track (mm) 49 mm
Height above track (in) 1 15/16 in
Weight for pair (g) 1169 g
Weight for pair (oz) 41 oz
Purchase 3:1 / 4:1
