Check the listing for details. 49PCS Precision Pin Vise Hobby Drill Bits with Model Twist Hand Drill Bits Set. Color: Black, Condition: New. Listed at 8.89 USD. Product Description：This Twist Drill + 48 Piece Micro Drill Bit Set are ideal for precision drilling and pinning tasks in Model Making, Jewellery making and other crafts. Specifications： 100% Brand new and high quality. Made From High Quality Titanium Coated HSS. Supplied in a blow moulded metal case with a convenient carry handle. Perfect for home DIY and general building / engineering use. Features: Size:0.5/0.6/0.7/0.8/0.9/1.0/1.1/1.2/1.3/1.4/1.5/1.6/1.7/1.8/1.9/2.0/2.1/2.2/2.3/2.4/2.5/2.6/2.7/2.8/2.9/3.0mm Wide application: suitable for the materials of wood, resin, jewelry, walnut, amber, beeswax, olive nut, beads, PVC, acrylic and plastic, etc Large set featuring a wide range of accessories, ideal for most DIY drilling and screw driving needs Handy, durable, holds small drills, wires, files, reamers,plastic case Note: the adjustable pin vise is a manual tool, not a power tool; Twist drill bits set can't fit to hard things like steel, iron, stone Package included: 1x Twist Drill 48 pieces drill bits(0.5mm x3 , 0.6mm x 3, 0.7mm x 3，0.8mm x 3, 0.9mm x 3, 1.0mm x 3, 1.1mm x 2, 1.2mm x 2, 1.3mm x 2, 1.4mm x 2, 1.5mm x 2, 1.6mm x 2, 1.7mm x 2, 1.8mm x 2, 1.9mm x 2, 2.0mm x 2, 2.1mm x 1, 2.2mm x 1,2.3mm x 1, 2.4mm x 1, 2.5mm x 1, 2.6mm x1, 2.7mm x 1, 2.8mm x 1, 2.9mm x 1 3.0mm x1) How to use pin vise:Step 1: take out the suitable drill bit, and half unscrew the vise head.Step 2: half insert the drill bit, and screw the head tightly.Step 3: target the place where you are going to drill a hole, use one hand to fix the top of handle while using the other hand to rotate the handle. Note: 1. Please allow 0.01-0.05mm differs due to manual measurement. 2.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.