Faucets and Valves -Thread Tap Set Highlights Generic Brand Thread Tap Set Description: 100 Brand new and high quality; High quality and exquisite workmanship; Made of high speed steel, durable and practical; multi-coated optics guarantee light transmission and brightness; Ideal for automotive repair and machinery where metric threads are specified; Specification: Material: High Speed Steel Color: As display photos show Size: 3mm/4mm/5mm/6mm/8mm Wire Diameter: 3mm(M3)/4mm(M4)/5mm(M5)/6mm(M6) ) / 8mm (M8) Cut off drill bits, professional set Ideal for automotive and machinery repair where metric threads are specified Package includes: 1 x M3 Hand Tap Screw 1 x M4 Hand Tap Screw 1 x M5 Hand Tap Screw 1 x M6 Hand Screw Tap 1 x M8 Hand Screw Tap 1 x W1/16-1/4""""Spanner