Steel Cap for Post Protection addons The 4″ (107mm) Adapter has

The 4″ (107mm) Adapter has an internal diameter of 107mm

for driving 1" posts

Different Hook sizes can be quickly changed in less than 60 seconds

This Reducer fits inside a 78mm Round Adapter

Steel Cap for Post Protection addons The 4″ (107mm) Adapter hasIf your Scaffold Poles or Vineyard Posts are used regularly and are prone to burring over, a protective cap can be used in conjunction with the 78mm Round Adapter. The cap needs to be moved from post to post, but offers more protection to the post tops. The internal diameter is drilled to fit your posts we will take some measurements from you after your order is placed. Please contact us if you have any questions on this product.