Drills wood and steel HSS Material Comes with a convenient carry case Specifications: 5PCS for 3.2mm, 3.0mm, 2.8mm, 2.6mm, 2.5mm, 2.4mm, 2.3mm, 2.2mm, 2.1mm, 2.0mm 5PCS for1.8mm, 1.6mm, 1.5mm, 1.4mm, 1.3mm, 1.2mm, 1.1mm, 1.0mm 10PCS for 0.9mm, 0.8mm, 0.7mm, 0.6mm, 0.5mm, 0.4mm Case Color: Yellow case:approx 3.6cm X 15.6cm X 20cm/1.4inch X 6inch X 7.9inch Package included: 150pcs Micro Twist Bit Set Mini Small Precision Power Drill 1pcs case