Northfield Precision Instrument Corp. introduced the Model 700 air chuck. This 7-in. diameter, 3-jaw air chuck has special jaws that grip a short diameter of the automotive "hub" shown to drill and chamfer the 5 holes. A special stop mounted to the chuck face has "air detect" holes for part seating confirmation. The stop is contoured and relieved to allow a chamfering-tool/" data-glossary-id="142011" data-glossary-teaser="Cutter or wheel that creates a beveled edge on a tool or workpiece." title="Cutter or wheel that creates a beveled edge on a tool or workpiece." aria-label="Glossary: chamfering-tool/" data-glossary-id="142011" data-glossary-teaser="Cutter or wheel that creates a beveled edge on a tool or workpiece." title="Cutter or wheel that creates a beveled edge on a tool or workpiece." aria-label="Glossary: chamfering tool">chamfering tool">chamfering tool to break the edge on the banking surface of the work piece.