The Allstar Performance Siper Blades ALL99108 are natural steel replacement blades sold as a set of 24. They are made for the Allstar Heated Tire Siper, an 8 blade siper tool.These blades replace worn siper blades so the tool continues to cut clean, consistent sipes into tire tread.Compatibility: These blades are replacement blades for the Allstar Heated Tire Siper tools ALL10265 and ALL10266.FAQHow many blades come in this set?This set includes 24 blades.What material are these siper blades made from?These blades are made of natural steel.Which tools are these blades compatible with?These blades are replacement blades for the Allstar Heated Tire Siper tools ALL10265 and ALL10266.What is a siper blade used for?Siper blades cut sipes into tire tread and are replaced on the siper tool as they wear.{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How many blades come in this set?","acceptedAnswer":{"@type":"Answer","text":"This set includes 24 blades."}},{"@type":"Question","name":"What material are these siper blades made from?","acceptedAnswer":{"@type":"Answer","text":"These blades are made of natural steel."}},{"@type":"Question","name":"Which tools are these blades compatible with?","acceptedAnswer":{"@type":"Answer","text":"These blades are replacement blades for the Allstar Heated Tire Siper tools ALL10265 and ALL10266."}},{"@type":"Question","name":"What is a siper blade used for?","acceptedAnswer":{"@type":"Answer","text":"Siper blades cut sipes into tire tread and are replaced on the siper tool as they wear."}}]}