ITEM NAME:1 Pc 6mm to 25mm 1/4" Steps HSS Holes Cutter Step Cone Hex Shank Drill Bit New 100% brand new and high quality 6-25MM(10 steps 6,8,10,12,14,16,18,20,22,25mm) Suit for use in hardness under 25  ° artifacts, The plate thickness under 5 mm. Cannot be used for stainless steel Specifications Shank :1/4" Hexagonal pattern Material: HSS 4241 Surface treatment: titanize Total length: Approx. 8.5cm/3.35" Quantity: 1 pc Note: Please allow 1-2mm differs due to manual measurement, thanks. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you. 1 x Stepped drill 6-25mm.Material: HSS 4241. Shank :1/4" Hexagonal pattern. 1 x Stepped drill 6-25mm. Also note that monitor settings may vary from computer to computer and may distort actual colors. Quantity: 1 pc. Cannot be used for stainless steel.