Features: _x005f_x000D_ The head adopts of special grinding blade with high hardness, durable in use _x005f_x000D_ Double back Angle processing, improve positioning accuracy, reduce cutting resistance, with longer service life; _x005f_x000D_ Features Smooth chip removal and high efficiency; _x005f_x000D_ Universal round and straight handle design, convenient for electric drill, bench drill, etc. _x005f_x000D_ They are great for most drilling jobs and materials such as aluminum, wood, plastics. _x005f_x000D_ _x005f_x000D_ Specification: _x005f_x000D_ Material: HSS _x005f_x000D_ Type: straight shank twist drill _x005f_x000D_ Blade apex Angle: 135 _x005f_x000D_ Size:2mm,2.5mm, 3mm, 3.2mm,3.5mm, 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm(Optional) _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Package list: _x005f_x000D_ 1 x HSS Drill Bit