Description Description Our durable and reliable 110-piece tap and die set includes Metric coarse and fine sizes, super-hard & high-precision, and can offer you excellent performance in applications like machine tools, precision modules, transformers, etc. Tungsten steel taps with high-hardness can stand high temperatures for your long-lasting use. Fully ground tap is super-sharp enough to guarantee its smooth chip-removing & tapping without fracturing. A lock hole on dies is to ensure its double stability when screwing it on.Material:Tungsten Steel Tap holder:M3 - M12 (1/16" - 1/2") Tap holder:M6 - M20 (1/4" - 3/4") Die holder:Total length 200mm (1" diameter bore) Die holder:Total length 270mm (1 1/2" diameter bore) Package Content 2 x Tap holders (different size) 1 x T- bar tap wrench 2 x Die holders (different size) 35 x Taper taps 35 x Plug taps 35 x Dies Premium Quality: High-duty heat-treated Tungsten steel construction, high-hardness, wear-resistant, and its service life is 5-10 times longer than that of non-tungsten taps, durable and reliable for your long-lasting use. Excellent Performance: Fully ground & high-precision tap is super-sharp for your tapping and chip removing operation, running smooth and efficient, offering you excellent performance. Reinforced Stability: Each dies is designed with a lock hole, it can be locked tightly after the screw is aligned and locked, ensures double stability during your operation. Adjustable Tap Wrench: Tap wrench is adjustable: you can set the adjustable basin wrench to either its position for turning clockwise (tightening) or turning anti-clockwise (loosening). You can do this by flipping the jaws 180 degrees over its pivot. Most Popular Sizes Included: This tap and die set comes with 110 pieces in total: 35 pcs plug taps, 35 pieces taper taps, 35 pcs dies, 2 tap holdersM2 - M12 1/16" - 1/2"& M6 - M20 (1/4" - 3/4"), 2 die holders 200mm (1" diameter bore)& 270 mm (1 1/2" diameter bore) and 1 T-bar tap wrench, most popular sizes included.