This Schaefer double block with 52mm 2" sheaves is a new old stock item that is perfect for any sailing enthusiast. Made in the United States with exceptional quality, this block is designed to provide reliable and efficient performance on the water. The brand Schaefer is known for its excellent line of sailing hardware, and this double block is an excellent example. Its smooth-running design ensures that users can enjoy a seamless sailing experience with no hitches. Whether an experienced sailor or a beginner, this Schaefer double block is an essential accessory that will make sailing smoother, more efficient, and more enjoyable.