Lewmar Synchro Control Block - 40 mm (1 9/16")

The Lewmar 40 mm Synchro Control Block is engineered for speed, efficiency and superior handling. Thanks to optimized block geometry, a free-spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems. This block provides you with an easier, smoother transfer of power from deck to sail and less wear on your rope.

Features:

• Lightweight with unprecedented load bearing capability
• Ultimate efficiency and weight advantage
• Metal replacement technology
• Stainless steel central race and balls
• Cheeks use long fiber technology
• Exceptional strength and durability
• Clever, open design facilitates easy flushing of sand and salt
• Smooth running and simple maintenance
• Size: 40 mm (approx. 1 9/16")

Single with Swivel Head Specifications:

• Safe Working Load: 528 lbs (240 kg)
• Breaking Load: 1760 lbs (800 kg)
• Weight: 1.83 oz (52 g)
• Maximum Line Size: 3/8" (10 mm)
• Length: 3 9/64" (80 mm)

Single with Becket and Swivel Head Specifications:

• Safe Working Load: 528 lbs (240 kg)
• Breaking Load: 1760 lbs (800 kg)
• Weight: 1.99 oz (56.5 g)
• Maximum Line Size: 3/8" (10 mm)
• Length: 3-55/64" (98 mm)

Single with Fixed Head Loop Specifications:

• Safe Working Load: 528 lbs (240 kg)
• Breaking Load: 1760 lbs (800 kg)
• Weight: 1.55 oz (44 g)
• Maximum Line Size: 3/8" (10 mm)
• Length: 2 3/4" (70 mm)

Single with Becket and Cam Specifications:

• Safe Working Load: 528 lbs (240 kg)
• Breaking Load: 1760 lbs (800 kg)
• Cam SWL: 264 lb
• Weight: 1.99 oz (56.5 g)
• Maximum Line Size: 3/8" (10 mm)
• Length: 3-55/64" (98 mm)