Product Name: Tap and Die Set Color: Silver tone. Materia: HSS(High Speed Steel). Size: M12 x 1.25mm, Pitch: 1.25mm. Sharp Blade: Full grinding thread, sharp and durable, tap automatic fine grinding process, clear thread, sharp blade, to meet the processing requirements. Tap: Chip removal, high efficiency, debris rapidly discharged in the tank. No blocking, fast efficiency. Round Die: Not easily broken tooth chip fast, abrasion resistance and long service life. Package Contents: 1Pcs x Tap, 1Pcs x Die Application: Use for carbon steel, alloy steel and cast iron, such as through hole processing.