The Barton TUPHblox Size 6 double block featuring a rotating swivel head and becket is a heavy-duty marine pulley block crafted from classic Tufnol laminate. Designed for high-load multi-purchase setups, the double sheaves combined with the lower becket provide high mechanical advantage. The swiveling head automatically aligns with the line pull direction, effectively preventing line twist under load.
Key Features:
Type: Double block with swivel head and becket
Sheave Diameter: 64 mm
Max Line Diameter: 16 mm
Material: Premium Tufnol (TUPHblox) with stainless steel side straps for optimal UV and corrosion resistance
Application: Ideal for heavy-duty multi-purchase mainsheet tackle systems, halyards, and control line setups on sailboats and traditional vessels
