BLOCK DOUBLE ALMN BALL BRNG Rigging Hardware The flukes are fabricated for

The flukes are fabricated for additional strength and then beveled to allow quick

• Harken purchase recommendations when using 32 mm traveler control blocks:• Use a 3:1 purchase for boats with sail area under 240 ft² (22 m²)• Use a 4:1 purchase for boats with sail area from 240 ft² to 400 ft² (22 m² to 37 m²)• Use a 6:1 purchase for boats with sail area from 400 ft² to 550 ft² (37 m² to 51 m²)• Use a 2:1 purchase led to a winch for boats with sail areas above 550 ft² (51 m²)

that is 1” wide

Clear Step Outside lead furling block

gap-filling polyurethane that delivers strong

BLOCK DOUBLE ALMN BALL BRNG Rigging Hardware The flukes are fabricated forDouble ball bearing block with anodized aluminum cheeks. Works with 506 35, 506 75, 506 76 for a 4: 1 purchase. Delrin(tm) ball bearing sheaves provide low friction yet high safe working load. Swivel head may be locked in place to avoid twist. Specifications: Sheave Dia. 2" (51mm)Thickness 1 21 32" (42mm)Width 2 1 8" (54mm)Length 5 1 16" (129mm)SWL 1500 lbs. (680kg)Weight 8. 3oz (235g)Max Line 7 16" (11mm)