The Barton TUPHblox Size 2 double block with a swivel head and integrated becket 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. Together with the lower becket, this block is engineered for compact 4:1 or 5:1 purchase tackle systems.
Key Features:
Type: Double block with swivel head and becket
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 control, and purchase setups on smaller sailboats and traditional craft
