Size 4/5 Plain Block Single Stanchion Lead Heavy Duty This is a strong trolley

This is a strong trolley

repair kit and owner's manual

They are also stronger and have a longer life than conventional wire springs

Buoyancy tube - military grey

Made of durable ABS Plastic

Size 4/5 Plain Block Single Stanchion Lead Heavy Duty This is a strong trolleyA strong, lightweight block for use on dayboats and cruising yachts. Ideal for mainsheet, vang, tackles, lead blocks or wherever a powerful and compact purchase tackle is required. Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads. Designed for use on 25mm tubes, with a swivelling action with up down movement allowing for a fair lead on control