Ronstan Series 50 All Purpose Block, Single rf51100 series 55 • Reduces drag

• Reduces drag

Ivar Dedekam’s revolutionary approach to sail and rig tuning tackles the practical and realistic elements of tuning your boat as well as the theory of sail aerodynamics

0 mm Width 31

5400 kg Weight 80 g

5 minute cycle mode

Ronstan Series 50 All Purpose Block, Single rf51100 series 55 • Reduces dragExceptionally high working loads Low maintenance, long service life Self lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock universal head Slotted pin shackle eliminates fouled lines Sheave 50 mm Max. Rope 12 mm Max. Cable mm Pin 5. 0 mm M. W. L. 750 kg B. L. 1500 kg Weight 118 g