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Series 60 Core
Use Them Anywhere - Ronstan Core Blocks™ feature a tuned 2-stage bearing system, making them well suited for both dynamic and static load applications. This range offers an excellent value and ample performance for either cruising or racing yachts. Series 60 Core Blocks™ are typically found on boats up to 12m (40').
Special Purpose 
Ball Bearing 
- Special Purpose
- Ball Bearing
- Ball Bearing
- Ball Bearing
- Ball Bearing
- Ball Bearing
