Ronstan Series 55 Ball Bearing Block with Fiddle & Becket
Lightweight Kilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of...
Ronstan Series 55 Single Block with Becket
Low friction 2-stage Orbital ball bearing system
Highest working load in its class
Low profile and compact
High performance cleating
Easily fitted and securely retained Dyneema Link...
RF2455 RONSTAN SERIES 55 STAND-UP BASE
Low profile stand-up kit allows 0° or 90° alignment
The RF2455 stand-up kit features a clatter-free rubber boot. You can attach the Dyneema link so that the block is aligned with the stand-up...