PKNVKZIDK 10PCS HSS-CO M35 1.7mm steel straight handle drill bits swivel for stainless steel PKNVKZIDK. Thank you for purchasing, and I wish you all the best! DIY Supplies Metalworking:Designed for metalworking enthusiasts, these drill bits are essential for DIY projects. Size Range 0.5mm-2.0mm:Versatile 0.5mm-2.0mm size range caters to a variety of metalworking drilling tasks. Use Metal Drilling:Ideal for metal drilling, these drill bits excel in precision and strength for stainless steel. Drill Bit 0.5mm 0.5mm Drill Bit Material Tungsten Carbide:Crafted from Tungsten Carbide, these drill bits offer superior wear resistance for prolonged use. Farbe:One Color