In the world of W-L leg racing, intense hoists and douses can challenge even the most durable equipment. Yet, the Harken 40mm Proexit Single Thru Deck Block stands out among marine supplies. Designed specifically for such demanding conditions, this Harken block ensures minimal wear on halyard exit block sideplates. Crafted with Protexit's wear-resistant, all-aluminum housing, it flawlessly directs the line at any angle. Notably, for those searching for reliable marine gear in the region, Harken blocks Canada offer unmatched working loads. Plus, with aluminum sheaves and Delrin sideload balls on sleeve bearings, they promise longevity without compromising performance.