The A4 Hole Cleaner Bases fit to any 65mm round drive extension bar or drive unit.
Available in 300mm, 350mm, 450mm and 600mm diameters.
Also available with Extension Bars.
Custom diameters are avialable on request.
If you prefer a Welded Shaft option see more here: https://www.earthmovingwarehouse.com.au/collections/hole-cleaners-welded-shaft-a4-65mm-round-drive