Ronstan Series 30 SP Single Utility Block (with Nylatron Sheave) - Swivel Shackle Head Sheave Diameter:30 mm Ronstan Series 40 Ball Bearing

Ronstan Series 40 Ball Bearing Double Utility Block

Ideal for cleaning rust

spray and salt to provide maximum visibility

Allow application to dry to a haze

Removes light oxidation and haze

Ronstan Series 30 SP Single Utility Block (with Nylatron Sheave) - Swivel Shackle Head Sheave Diameter:30 mm Ronstan Series 40 Ball BearingRonstan Series 30 Special Purpose Single Utility Block (with Nylatron Sheave), Swivel Shackle Head RF30100HL Exceptionally high working loads Lightweight Cheek cut outs for easy bearing maintenance Suitable for both rope or wire Applications Primary lead blocks on dinghies and catamarans Control lines on larger yachts Halyards Backstays Materials Nylatron sheave Grade 316 stainless steel load strap and head fitting Impact and UV resistant, fibre