VEVOR Tap and Die Set 40Pcs SAE Size NC/NF/NPT Bearing Steel Threading Tool

VEVOR Tap and Die Set 40Pcs SAE Size NC/NF/NPT Bearing Steel Threading ToolProfessional Tool SetThreading ConfigurationPearl Cotton CushioningPortable DesignHexagonal DieBuilt to LastTap and Die Hardness: HRC55-62,Tap and Die Material: Zinc Alloy,Item Model Number: 40PC,Material: Bearing Steel,Carrying Case Material: PE Plastic