high load bearing blocks ideal for use with hand held loads on dinghys

The most popular base plate for the Optimist mast step

1000 kg Weight 60 g

this system is available in three sizes

Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction

Ronstan Series 40 All Purpose Block, Triple RF41300 Propspeed high load bearing blocks idealSERIES 40 RF41300 FEATURES Exceptionally high working loads Low maintenance, long service life Self lubricating sheave Slotted pin shackle eliminates fouled lines Two way head post Spare parts RF41010 Replacement Becket Pin, RF150 Shackle Sheave 40 mm Max. Rope 10 mm Max. Cable mm Pin 5 mm M. W. L. 700 kg B. L. 1400 kg Weight 195 g