Ronstan Series 30 BB Stand-up Orbit Block - Swivel Head Hypalon Glue Spiral-patterned design features many small

Spiral-patterned design features many small holes for dust extraction and reduced loading

underwater signseeing

It slows down the ageing process considerably

Epoxy / graphite is commonly used as a low-load

Can remove grade microfine 1500 sand scratches

Ronstan Series 30 BB Stand-up Orbit Block - Swivel Head Hypalon Glue Spiral-patterned design features many smallRonstan Series 30 Ball Bearing Stand up Orbit Block, Swivel Head RF35140 Lightweight Highest working load in its class Secure, versatile and secure attachment Low profile and compact Applications Mainsheet systems and spinnaker sheets on dinghies to 5m (16ft) Halyard, vang and backstay applications on boats to 5m (16ft) Control line applications on larger yachts Materials Sheave: High compression strength carbon black Acetal Ball Bearings: High