Features: Experience Precisions and durability with our Serrated Offset Alloy Triangles Drill Bit, from tungsten steel alloy for exceptional performances in drilling tasks. This drill bit features a unique serrated offset that enhances cutting efficiency and reduces resistance, making it for various materials including wood, metal, and plastic. Perfect for professional contractors, DIY enthusiasts, and craftsmen who demand efficient tool for their projects. for use in construction site, home improvement projects, and workshops, this drill bit ensures smooth and accurate drilling every time. Upgrades your toolkit with essential drill bit, to deliver superior result and withstand the rigors of frequent use, ensuring long reliability. Specifications: Materials: Tungsten Steel Alloy Specifications: 6 8 10mm 3Pcs set, 6 6 8 8mm 4Pcs set, 6 6 8 8 10mm 5Pcs set, 6 6 8 10 12mm 5Pcs set, 6 8 10 12 14mm 5Pcs set, 1PC 6mm,1PC 8mm, 1PC 10mm, 1PC 12mm, 1PC 14mm(optional) Package Includes: 1Set/1PC Triangles Drill Bit note: Please allow 0-1cm error due to manual measurement. please make sure you not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item. Thanks!