ITEM NAME:28x Mini Micro HSS Twist Drill Bits Set Metric Sizes 0.3-3.0mm Fr PCB Crafts New 100% brand new and high quality Material: HSS4241 Color: as shown in pic Features: Micro HSS Twist Drilling Bit Straight Shank Electrical Drill Tool. Twist Drill Metric Hss Drills Micro Drill Bits. Mini Micro HSS Twist Drill Bit Set 0.5mm-3mm Model Craft Straight Shank Twist Drill Bit. Infinitely adjustable - secure closure every time. Suit for:PCB, Thin Aluminum/Iron Sheet, Thin plank, PlasticSuitable for a small object processing Specifications: Shank: Straight shank. Size: 0.30mm,0.40mm,0.50mm,0.60mm,0.70mm,0.80mm,0.90mm,1.0mm, 1.1mm,1.2mm,1.3mm,1.4mm,1.5mm,1.6mm,1.7mm,1.8mm,1.9mm,2.0mm, 2.1mm,2.2mm,2.3mm,2.4mm,2.5mm,2.6mm,2.7mm,2.8mm,2.9mm,3.0mm Suitable for PCB, crafts, jewelry, watch making Ideal for precision craft and hobby work, recommended with drilll press Quantity: 28Pcs/set Note: Please allow 1-2mm errors due to manual measurement Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 28Pcs Micro Twist Drill Bits Mini Set HSS Metric Sizes 0.3mm-3.0 mm.Micro HSS Twist Drilling Bit Straight Shank Electrical Drill Tool. Mini Micro HSS Twist Drill Bit Set 0.5mm-3mm Model Craft. Suit for:PCB, Thin Aluminum/Iron Sheet, Thin plank, PlasticSuitable for a small object processing.