Ronstan Series 30 BB Block, Double Exit With Cover Plate

Precision moulded Acetal sheaves running on Acetal ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

Our Part # RONRF30721 | Ronstan Part # RF30721

Features:

• Exit blocks are ideal for applications where lines need to be led through decks, bulkheads or spars minimising friction and chafing.