Ronstan Series 55 Orbit Block™, Ratchet RF56100 bags Knurled hand grip designed for

Knurled hand grip designed for safe control at high loads

Single inner cheeks for minimum weight & compactness

SERIES 40 BALL BEARING

Inboard boom end for 55mm Optimist racing boom (EX940)

85% nylon 15% elastane

Ronstan Series 55 Orbit Block™, Ratchet RF56100 bags Knurled hand grip designed forFEATURES Up to 20: 1 holding power Smooth easing of sheets High performance cleating Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Automatic & manual ratchet block Automatic ratchet block Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes*. In