The Allen 30mm Articulating Double Dynamic Block is a unique product available on the market. It features freely articulating blocks that align perfectly with the rope angle, providing low friction and fast rolling speeds. This block is lightweight, strong, and ideal for smaller diameter lines used in activities such as dinghies, windsurfing, and kitesurfing. With its patented bearing system and Ultra-Strap, this block offers superior load-carrying ability, longevity, and rope friendliness. The design also includes a Becket for convenient tie-off points when used in a cascade system.