√Excellent quality:WAKUKA tap and die set use stronger material-steel alloy for processing,Improve product hardness, wear resistance, and increase product service life(Use market is common size) √Production process: Industrial grade steel structure, and each product is precision CNC machined and heat treated to 60 HRC Rockwell hardness, tested, ground, to ensure its good machinability, accuracy (more convenient for work) √Accessories:2 X Tap Holders (Different Size) 1 x T- Bar Tap Wrench 2 x Die Holder (Different Size) 35 x Taper Taps 35 x Plug Taps 35 x Dies 1 x Portable Storage Case √SAE TAP SIZES: 7/16-20;1/2-13;1/2-20;12x1.25;12x1.75;9/16-12;9/16-18;5/8-11;8-32;10-24;8x1.25;3/8-16;3/8-24;10x1.5;10x1;11x1.5;7/16-14;5/16-24;5/16-18;6x1.0;1/4-32;1/4-24;1/4-28;1/4-20;12-24;10-32;6-32;4-40;18x1.5;3/4-10;3/4-16;5/8-18;14x1.25;1/4-18NPT;1/8-27NPT. SAE DIE SIZES:4-40;6-32;8-32;10-24;10-32;12-24;1/4-24;1/4-28;1/4-32;5/16-18;5/16-24;3/8-16;3/8-24;6x1.0;5x1.25;10x1.5;10x1.0;7/16-14;7/16-20;1/2-13;1/2-20;9/16-18;5/8-11;11x1.5;1/8-27NPT;9/16-12;3/4-10;3/4-16;12x1.75;5/8-18;12x1.25;14x1.25;18x1.5;1/4-18NPT. 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. This tap and die set is designed to thread cutting: tap is used to process internal thread, while the die is for external thread. They are perfect for most hand threading applications