The Barton TUPHblox Size 4 double block featuring a fixed bow (eye) and becket is a heavy-duty marine pulley block crafted from classic Tufnol laminate. Designed for high-load applications requiring a rigid, non-swiveling anchor point, the dual sheaves and integrated lower becket allow for high-ratio multi-purchase tackle system configurations.
Key Features:
Type: Double block with fixed bow and becket
Sheave Diameter: 58 mm
Max Line Diameter: 14 mm
Material: Premium Tufnol (TUPHblox) with stainless steel side straps for UV and weather resistance
Application: Ideal for fixed-alignment mainsheet tackle systems, boom vangs, and control line setups on sailboats and traditional vessels