Use Little Fiddle blocks for mainsheets and vangs on dinghies and cruising boats to 24 feet (7.3m), and for other small three and four part tackles. They come in a variety of configurations including fiddles with little Hexaratchets and with Cam-Matic cam cleats on adjustable arms. Add a 111 snap shackle for easy removal. 3/8 LINE, MWL 500#, BS 2000# WT. 12OZ