Save up to 50% - Join the revolution!

Severne Wave Grenade RDM Extension


The Severne Wave Grenade mast extension in reduced diameter has been developed to specifically enhance the performance, lightweight and ease of use of the Severne rig. All Severne Extensions have a slimline stainless steel automatic hinged collar system, for increased reliability and ease of rigging.

All Severne Extensions have a precision milled stainless steel button and mechanism for reliability.

Product Description

A no compromise RDM extension designed for durability and function. This RDM extension has a 0cm setting, making it the lowest in the industry.

Durability and Function

  • Stainless steel automatic hinged collar system
  • Stainless steel button and mechanism for improved reliability
  • 0cm setting for increased functional range
  • Internal metal chassis for durability
  • Unique Severne geometry pulley alignment for efficient down-hauling


There are no reviews yet.

Be the first to review “Severne Wave Grenade RDM Extension”

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

If you are based outside of the UK, we do not currently have postage available to your country during checkout. Use the form below to directly request an accurate delivery cost to your location and we'll be in touch as soon as we have a confirmed cost.

  • This field is for validation purposes and should be left unchanged.