Manufactured from high quality C45 carbon steel, this Faithfull tap and die set is suitable for cleaning and cutting threads in mild steel, aluminium and brass. Each set contains a tap wrench, die holder, screwdriver and a range of metric taps and dies, featuring the most commonly used European threads. The Faithfull FAITAPDSET39 39 piece metric tap & die set contains the following: 1 x Tap wrench: M3-121 x Die stock holder: 25mm (1 inch)1 x Screwdriver1 x Screwpitch1 x Tap wrench16 x Metric Taps: 3x0.5mm, 3x0.6mm, 4x0.7mm, 4x0.75mm, 5x0.8mm, 5x0.9mm, 6x0.75mm, 6x1.0mm, 7x0.75mm, 7x1.0mm, 8x1.0mm, 8x1.25mm, 10x1.25mm, 10x1.5mm, 12x1.5mm, 12x1.75mm1 x Tap: 1/8 inch NPT16 x Metric Dies (same sizes as metric taps)1 x Die: 1/8 inch NPT.Additional Information:• Thread Type: Tap & Die Set