Modname ckeditor =Features:-The drill has large discharge space, small resistance, and smoothly during shrapnel.-The use of high-quality materials and grinding makes the blade sharper, reduces the cutting force and broken drill bit, and improves the quality of the hole wall.-The cutting edges strictly avoid partial hole, ensure the quality.-Long service life under normal working conditions. Specification: ! Material: Hard Alloy Color as the picture shows Handle Diameter: 3.175mm Tool Diameter: 0.8mm Suitable for: PCB Drilling Machine, Engraving Machine, CNC and Precision Special Drilling Equipment. Quantity: 10pcs/setPackage Included:10pcs x PCB Drill BitsNote: Please allow errors caused by manual measurement. The item color displayed in photos may be showing slightly different on your computer monitor because monitors are not calibrated same. Payment1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.