Schaefer's 3 Series blocks offer strong, high quality metal construction built to take the punishment associated with running rigging mounted on the deck or spars. Excellent for use on small cruisers, daysailors and high performance racing dinghies.
• Aluminum with white Delrin sheaves
• Sheave width: 9/16" (14mm)
• Pin diameter: 3/16" (5mm)
• SWL: 1,000 lbs. (410kg)