The Barton TUPHblox Size 2 double block with a swivel head is a durable marine pulley block crafted from classic Tufnol laminate. Featuring two parallel 35mm sheaves and a full 360-degree rotating head, it prevents line twisting under load. Designed for smooth rope handling in compact 4:1 purchase systems.
Key Features:
Type: Double block with swivel head
Sheave Diameter: 35 mm
Max Line Diameter: 12 mm
Material: Premium Tufnol (TUPHblox) with stainless steel side straps for UV and weather resistance
Application: Ideal for mainsheet systems, boom vangs, halyard leads, and control systems on smaller sailboats and traditional craft
