• Cast Aluminum Body.
• Double Aluminum Pulleys on Stainless Steel Axles.
• Upper and Lower Stainless Steel Ball Bearing Assemblies.
• Non-Fouling Design.
• 1-1/4" NPT Spindle.
• 1/2"-13NC Top Drilling (5/8"-11NC Available).
• Recommended Halyard Diameter – 5/16".