They are recommended for use with hexagon die stocks, but when space is limited, they can be used with a wrench or socket. Save On Hanson 97606 - 66 Piece Fractional Tap and Hex Die Set at IRWIN HANSON, 40 Pieces, 1/8-27 Min. Tap Thread Size, Tap and Die Set... The thread die is constructed from high-carbon steel for extended use. These IRWIN HANSON Hexagon Dies are ideal for maintenance and repair work. Specs Reviews Hanson 9312 Die 4-40 NC 1 Hex, for Tap Die Extraction Item Condition: New Brand: irwin Manufacturer: Irwin Item model number: 9312 Size: Pack of 1 Product Information - Dies are ideal for maintenance and repair work - Dies are recommended for use with hexagon die stocks - Threading die can be used with a wrench or socket when... Dies are ideal for maintenance and repair work Maintenance Repair Die Shop Irwin Hanson High Carbon Steel 9/16 In.-12NC SAE Hexagon Die 1 - Free Shipp Small Thread Restoration Die Dies are recommended for use with hexagon die stocks