The TyeTec NMP-D block (D=deck) can be screwed through a central hole onto the deck, the rig or a rail. Two smaller screws on the outer radius avoid the derailing of the rope. The block can also be used just as a deflector, by simply leaving the two smaller screws out.
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.