MaterialsAnodized aluminiumWorking load (kg)800Weight (g)5A (mm)8B (mm)10C (mm)12D diameter (mm)25

The oval inner diameter allows the maximum fore/aft and minimum side play and the tapered inner diameter allows the mast to be raked

RF41010 Replacement Becket Pin

Sheave Ø 30 + 20 mm Max

Ronstan Series 40 All Purpose Block, Single RF41100 navigation MaterialsAnodized aluminiumWorking load (kg)800Weight (g)5ASERIES 40 RF41100 FEATURES Exceptionally high working loads Low maintenance, long service life Self lubricating sheave Captive Lock universal head Slotted pin shackle eliminates fouled lines Sheave 40 mm Max. Rope 10 mm Max. Cable mm Pin 5. 0 mm M. W. L. 400 kg B. L. 1000 kg Weight 71 g