The Barton TUPHblox Size 3 single block with swivel is a durable marine pulley crafted from classic Tufnol laminate. The freely rotating swivel head allows the block to self-align with the load direction, preventing rope twisting and reducing friction. Designed with a 45mm sheave, it is a versatile choice for control line applications on traditional and modern vessels.
Key Features:
Type: Single block with swivel head
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 halyard leads, reefing lines, boom vangs, and general control lines on sailboats
