The A2032 30mm Dynamic Double Block is a lightweight and durable pulley designed for various activities such as dinghies, windsurfing, and kitesurfing. Featuring twin rows of stainless-steel ball bearings on a stainless-steel rail, this block provides superior load-carrying ability and longevity compared to other bearing systems. In addition, its patented Ultra-Strap, strengthened through a coining process, is both reliable and rope-friendly. The 20mm and 30mm blocks also offer a large central rivet for a secure and lightweight attachment point in cascade systems.