Schaefer 3 Series Block - 303-13

The Schaefer 3 Series Block with Becket (303-13) is perfect for small cruisers, daysailers, and high performance racing dinghies. The quality metal construction can take the punishment associated with running rigging mounted on the deck or to spars.

Features:

• Front or side shackle mounting prevents the block from swiveling/twisting
• Tough hardcoat anodized aluminum cheeks
• UV protected Delrin™ sheave
• Schaefer blocks withstand the elements and potential mishaps far longer than other brands with standard plastic cheeks and sheaves
• Typical boat size: Mainsheet systems, halyard leads, genoa leads: Up to 25' (7.6 m), Control lines: Up to 30' (9.1 m)

Specifications:

• Safe working load: 1000 lbs (410 kg.)
• Maximum line diameter: 7/16" (11 mm)
• Dimensions:
  • Length: 4-1/2" (114 mm)
  • Width: 1-9/16" (40 mm)
  • Thickness: 3/4" (19 mm)
• Sheave diameter: 1-7/16" (36.5 mm)