Ronstan RF25109 Single Lashing Block 20mm – Ball Bearing PulleyThe Ronstan RF25109 Single Lashing Block 20mm is a compact, high performance ball bearing pulley designed for modern sailing control systems where weight, efficiency, and reliability are critical. Part of Ronstans renowned Series 20 Orbit range, this block features a precision 20mm acetal sheave running on a ball bearing system, delivering exceptionally low friction and smooth operationideal for fast adjusting control lines. Weighing just around 9

Chainplates are essential structural fittings used to secure standing rigging to the hull

Material: 14 gauge stainless steel

Breaking load: 816 kg / 1800 lb

Perfect for recreational boaters

Coastal & offshore vessels

The BEP Digital Voltage Sensing Relay is commonly used for:

durable form

UV-stabilised

Donaghys Bench Top Rope Cutter features:

depth 55mm

The built-in becket allows for easy line termination in compact setups such as vangs

Low-maintenance and compact design