HN6959 Features: -Advanced die geometry: Allows for faster cutting with longer life.-Material types: High carbon steel for cutting of external threads by hand - High speed steel for longer life.-Etched: Die size is etched on each tool for easy identification.-All Hanson taps and dies are made in USA.-Best suited for maintenance and repair work.-Recommended for use with hexagon die stock.-In areas with limited space, die can be used with a wrench or socket.-High Carbon Steel Hexagon 1-7/16" Across Flat Die 18mm-1.50. Warranty: -Lifetime warranty does not cover abuse.