The Harken 2151 57mm Carbo T2 Single Loop Block is a high-quality sailing hardware part manufactured by Harken in the United States. Designed for boating enthusiasts and sailors, this product is a single loop block made with durable materials to ensure long-lasting performance. With its brand reputation and superior craftsmanship, the Harken 2151 block is a reliable and essential part for sailing and boating adventures.