These are replacements for the 8 prong contact brush used inside of all motorized SteppIR EHUs. This is our newest design utilizing a new contact material which has reduced friction between the copper tape and contact brush assembly.
If you are having problems with your 40m looped element we highly recommend upgrading to this new design and also upgrading to our new sweep design which helps funnel the copper element during the transition from the fiberglass telescoping pole to the poly sweep.
For passive EHUs these are plug and play, ready to install.
For driven EHUs these will require being cut to make 2qty 4 prong contact brushes.