Ronstan RF20100 Single Swivel Pulley 20mm – Series 20 Ball Bearing BlockThe Ronstan RF20100 Single Swivel Ball Bearing Pulley (20mm) is a compact, high performance Series 20 block designed for dynamic sailing applications where free movement and alignment are essential. Built with a 20mm acetal sheave running on precision stainless steel ball bearings, this block delivers exceptionally low friction and smooth operation, ensuring efficient load handling even under demanding conditions. The key feature of the RF20100 is its

this cable pack is ideal for new installations

and a must-have for any safety-conscious Kiwi

The GME SPK45 Extension Speaker is a high-performance waterproof marine speaker designed to provide clear

this 50mm-wide strap offers robust support with an 8 x 76mm pin that delivers precise alignment and durability

The Harken 16mm Double Block with Becket (407) is a compact powerhouse designed for building efficient 3:1 or 4:1 purchase systems on small sailboats

it provides dependable buoyancy and freedom of movement for safe and comfortable wear on the water

Weight 51 g

Made from UV-stabilised marine-grade plastic

Recreational & commercial vessels

Marine sink installations

it delivers reliable performance for keeping bilges dry and your vessel safe

this block offers excellent resistance to wear and corrosion