N03250

<p><strong>Barton Size 3 45mm Plain Bearing Double Block Pulley</strong></p><p>The size 3 Barton plain bearing blocks feature a 45mm (1 3/4&quot;) sheave, designed for optimal performance with modern materials. Constructed with stainless steel frames integrated with 30% glass-filled nylon and Acetal sheaves, these blocks maximize strength while minimizing weight. Ideal for applications such as mainsheets, vangs, lead blocks, and more on dinghies, dayboats, and lightweight cruisers.</p><p>Compatible with ropes up to 10mm (3/8&quot;) in diameter.</p>