50-2SP two speed mainsheet vang with 50 series blocks and 3 to1 or 6 to 1 purchase

A solid unit for yachts 15+ metres (50-55ft). Nine alloy sheaves with Torlon ball bearings.

Pull both ropes to quickly bring the main sail in or either rope to fine tune.

Use continuous 10mm line (joined with a splice or a knot)  (rope not included).

How to measure how much line is required:
First, fit the blocks to the traveller and the boom
Add the next three lengths of rope together to determine how much you need.
1. Weave a short piece of rope through the blocks as per how they arrive, this determines the block rope length for your vessel
2. Measure from the cam cleats to the shrouds and double this measurement
3. Add another metre for good measure

Here is a picture of a 40-2sp vang attached to a Garhauer MT2TP Traveller on a 38ft yacht

NOTE: To maintain complete control, use one rope to ease the mainsheet under load, rather than two