Harken Carbo Air Blocks - 29mm Style:Triple - Swivel - Becket UV resistant - Will not

UV resistant - Will not break down with ultraviolet light or discolour from the sun

and night time illumination

as well as being shock resistant

It’s a VHF antenna equipped with chromed bushing and polyurethane tube resistant to UV-rays

Harken Carbo Air Blocks - 29mm Style:Triple - Swivel - Becket UV resistant - Will notLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Sheave Diameter: 29mm Tough, fibre reinforced composite construction Open 'Air' profiling cuts out unnecessary weight Delrin acetal resin UV stabilised ball bearings Free running ball bearings on curved races for low friction efficiency