The Barton TUPHblox Size 3 single block with swivel and becket is a heavy-duty marine pulley crafted from classic Tufnol laminate. The rotating swivel head enables automatic self-alignment with the line direction to minimize friction, while the integrated lower becket provides an anchor point for building multi-purchase tackle configurations.
Key Features:
Type: Single block with swivel head and becket
Sheave Diameter: 45 mm
Max Line Diameter: 13 mm
Material: Premium Tufnol (TUPHblox) with stainless steel side straps for UV and weather resistance
Application: Ideal for mainsheet tackle systems, boom vangs, halyard control, and purchase setups on sailboats
