Fits diggers from 2.5-5 tonne. Fits directly to the bucket pins and can drive posts up to 8”. The unit require 2 hoses for operation. The Midi is the bigger brother of the Mini, with more power available from larger machines it is able to install a large variety of posts from 3” timber to straining posts and solar farm steel sections. The post clamp system offers 3 positions to allow a strong secure grip to the posts.