Ronstan Blocks, smallest on the market!

These ball bearing blocks are the smallest and lightest available – with a sheave diameter of only 15mm. There are 13 block configurations available with plenty of options and accessories 120kg, MWL makes them perfect for all sorts of control lines for dinghies and catamarans up to 5m.

We have the full range in stock starting from as low as $15.90 for the single block

See the range here


Series 15 Ball Bearing Utility Blocks