Series 25 Utility Block™ - Single - Swivel Shackle Head. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase. Features: Lightweight durable construction; Economical; Maintenance free. Applications: Vang, cunningham and trapeze retriever systems on dinghies; Leech line tackles, bunk adjusters, etc on larger boats. Materials: U.V. stabilized acetal sheaves; Grade 316 Stainless Steel cheeks. Specifications (from marketplace data): Item Dimensions LxWxH: 4 x 2 x 1 inches; Item Weight: 5.6 ounces; Package Weight: 0.1 Pounds; Item Package Dimensions: 4 x 2 x 1 inches. Included Components: Great Product.
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