Ronstan Series 40 Ball Bearing Orbit Block™, Quin, Shackle Head RF48500 63406 calibration is carried out through

calibration is carried out through a network-connected Axiom chartplotter or i70s instrument

ferrule eye head

Base Size 95mm x 57mm

Designed on the principals of the award-winning Atlantic series with all its features and more

Adjustable height (max

Ronstan Series 40 Ball Bearing Orbit Block™, Quin, Shackle Head RF48500 63406 calibration is carried out throughQuintuple sheave block with swivel shackle head. FEATURES 2 stage ball bearing system. Headposts freely swivel or can be locked in 0 or 90. APPLICATIONS Mainsheet systems and spinnaker sheets on dinghies, off the beach catamarans and sportsboats to 8m (26ft). Halyard, vang and backstay applications on boats to 8m (26ft). Control line applications on larger yachts. MATERIALS Sheave and ball bearings: High compression strength acetal. Frame cheeks: