RIDGID 47918 SC-60C Cutter Head. The RIDGID 47918 SC-60C Cutter Head is a new and improved Tool manufactured by RIDGID for RE-6 Electrical Tools. This Cutter Head is compatible with the exclusive RIDGID QuickChange System, and delivers unmatched efficiency when cutting large wires or conduit in electrical applications. This RIDGID 47918 SC-60C Cutter Head is a must have for all contractors and electricians alike. This RIDGID 47918 SC-60C Cutter Head effortlessly attaches and dethatches and maximizes efficiency and productivity on the job site. This Cutter Head is fully covered under RIDGID's lifetime warranty, giving you the peace of mind that comes with the quality of all RIDGID products.