Kite Block - Black w/White SheaveFeatures:Lightweight durable constructionEconomicalMaintenance freeApplications:Vang, cunningham and trapeze retriever systems on dinghiesLeech line tackles, bunk adjusters etc on larger yachtsMaterials:U.V. stabilized Acetal sheavesNylon cheeksSpecifications:Sheave Ø:16mm(5/8")Max. Rope Ø:4mm(5/32")