The TyeTec NMP-S block (S=Sail) is used as a reefblock in the mainsail. advantages in comparison to the common alternative are low weight
and enormous high workload.
A strap, which is pulled through the slot on its lower end, fixes the block on the sail and retains the block against torsion.
If you are not sure which size you need or if you have questions about our products please contact us.
Our customer service will help you choose the right variant. This service is completely free.