Blocks - Double

57mm Ball Bearing Block with Becket Double Sheave Cam Cleat: Fixed Part Number Length Becket Breaking Load Max Line Size RLY-PYF703 140mm 12mm 540kg 125mm

29mm Ball Bearing Block with Becket Double Sheave Cam Cleat: Fixed Part Number Length Becket Breaking Load Max Line Size RLY-PYF503 76mm 6mm 200kg 58mm

38mm Ball Bearing Block with Becket Double Sheave Cam Cleat: Fixed Part Number Length Becket Breaking Load Max Line Size RLY-PYF603 95mm 8mm 272kg 70mm

38mm Ball Bearing Block Double Sheave Cam Cleat: Fixed Part Number Length Becket Breaking Load Max Line Size RLY-PYF602 70mm 8mm 272kg 64mm

Double Pulley Block Double Sheave 19mm x 6mm Part Number Breaking Load RLY-RM423 1050kg

29mm Ball Bearing Block Double Sheave Part Number Length Becket Breaking Load Cam Cleat Max Line Size RLY-PYF502 58mm 6mm 200kg Fixed 70mm

19mm Ball Bearing Micro Block Double Sheave Part Number Length Becket Breaking Load Max Line Size   RLY-PYF402 47mm 6mm 360kg 35mm  

Double Swivel Unit General Sheet block fastenings Max Work Load: Double Part Number Pin Ferrule Bore RLY-RM043 4.7mm 1000kg

Harken 60mm Aluminium Element Double Block - Swivel, Becket Element blocks introduce sideplates that combine forged aluminium and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the...

Harken Carbo Air Block - 29mm Double Block with Swivel and Becket Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working...

Harken Carbo Air Block - 29mm Double Block with Swivel Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for...

Harken 75mm Aluminium Double Footblock - Lockoff Use footblocks to redirect lines on the deck. Footblocks with lock-offs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and...

Harken Black Magic Air Block - 75mm Aluminium Double Block with Swivel Black Magic Air blocks are a top favourite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots...

Harken Aluminium Double Footblock - 57mm, 75mm Use footblocks to redirect lines on the deck. Footblocks with lock-offs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and...

Harken 80mm Aluminium Element Double Footblock Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of...

Harken 45mm Aluminium Element Double Block - Swivel, Becket Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum...

Harken 80mm Aluminium Element Double Block - Swivel, Becket Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum...

Harken 80mm Aluminium Element Double Block - Swivel Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount...

Harken 60mm Aluminum Element Double Block - Swivel Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount...

Harken 45mm Aluminium Element Double Block - Swivel Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount...