The standard cutter is made from HSS (High Speed Steel) with a built-in pilot.
The Carbide cutter has a live pilot.
Instructions available here.Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc. For more information, go to www.P65Warnings.ca.gov.
More Information GTIN 841370108817 Do You Have A Springfield Prdigy No, I dont have a Prodigy this sear spring will work