Series 29 single becket block with stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase. Lightweight durable construction. Economical. Maintenance free. Allows fast, sure cleating of control lines. Use for Vang, cunningham and trapeze retriever systems on dinghies and on smaller yachts, leech line tackles, bunk adjusters etc. Made from U.V. stabilised Acetal sheaves. Marine Grade 316 stainless steel cheeks. Dimensions: Sheave ?: 30 mm Rope ? 6-8 mm M.W.L.: 300 kg B. L.: 600 kg Weight: 35 g