Ronstan Series 50 SP Single Utility Block (with Nylatron Sheave) - Universal Head Rope Size:12 mm and is also suitable for

and is also suitable for sealing teak planks on bridges

water toys

With proper care The Absorber lasts for years and can be stored moist and ready to use in its handy tube

or on the bottoms of racing craft that are dry sailed

Ronstan Series 50 SP Single Utility Block (with Nylatron Sheave) - Universal Head Rope Size:12 mm and is also suitable forRonstan Series 50 Special Purpose Single Utility Block (with Nylatron Sheave), Universal Head RF50100HL Exceptionally high working loads Lightweight Cheek cut outs for easy bearing maintenance Suitable for both rope or wire Captive Lock universal head Slotted pin shackle eliminates fouled lines Applications Mainsheet Spinnaker sheets Halyards and other primary applications on boats up to 10 m (33 ft) Materials Nylatron sheave Grade 316 stainless steel