> Used to cut open spin-on filters to inspect filter media for contaminans . > Aluminum alloy steel frame construction. > Designed to cut all types of filters, including aircraft-style filters, without repositioning cutting wheels. > Heavy-duty double bearing and cutting wheel design eliminates binding of filters. > All wear parts are heat-treated steel for added durability. > Cutting wheels SKH9 material are ground with a double-taper edge for easier cutting. > This cutter incorporates a longer plated that allows cutting filters from 60mm to 140mm in diameter.