Allstar Performance's punch mandrel is a replacement component for the ALL23116 hammer-type spring steel punch, which places a 1/4 in diameter hole 1/2 in from the end of most 1 in x .062 in thick spring steel material. The mandrel is made from natural finish steel.FAQWhat tool does the ALL99013 mandrel fit?The ALL23116 hammer-type spring steel punch.What does the ALL23116 punch do?It places a 1/4 in diameter hole 1/2 in from the end of most 1 in x .062 in thick spring steel material.What material is the ALL99013 mandrel made from?Natural finish steel.Why would this mandrel need to be replaced?As a wear part on the ALL23116 punch, the mandrel is replaced when worn from repeated use.{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What tool does the ALL99013 mandrel fit?","acceptedAnswer":{"@type":"Answer","text":"The ALL23116 hammer-type spring steel punch."}},{"@type":"Question","name":"What does the ALL23116 punch do?","acceptedAnswer":{"@type":"Answer","text":"It places a 1/4 in diameter hole 1/2 in from the end of most 1 in x .062 in thick spring steel material."}},{"@type":"Question","name":"What material is the ALL99013 mandrel made from?","acceptedAnswer":{"@type":"Answer","text":"Natural finish steel."}},{"@type":"Question","name":"Why would this mandrel need to be replaced?","acceptedAnswer":{"@type":"Answer","text":"As a wear part on the ALL23116 punch, the mandrel is replaced when worn from repeated use."}}]}