This is an economy Essential jeweler's and watchmaker's tool set for ultra-fine screw and wire threading. To tap holes and to create corresponding threaded wires. Set includes 8 taps from 0.6 to 2.0 mm and a screwplate with the same range of sizes. <br/> <br/> PRODUCT SPECIFICATIONS<br/> .- Material: High Carbon Steel<br/> .- Dimensions: 2-1/4 ” x 3/4” x 1/16” <br/> .- 8 Dies<br/> .- 8 Taps: 0.6, 0.8, 0.1,1.2, 1.4, 1.6, 1.8, & 2.0mm<br/> .- PVC Pouch<br/>