Features: Experience efficient cutting with our 4 pieces hex shank four flute serrated eccentric drill set, designed to enhances drilling speed across various materials. Featuring a sharpened drill tip for precise positioning and rapid drilling, the hex shank offers a antislip design for enhances stability, while the hard alloy head ensures high hardness and wear resistance. Ideal for professional woodworkers, DIY enthusiasts, and users requiring precise drilling, this drill set meets diverse needs with reliability. Perfect for furniture making, renovations projects, and craftworks, where accurate drilling is essential, these drills exceling in precise demanding environments. The widened chip removal grooves increases waste discharge during high speed operations, ensuring smooth performances; crafted from durable 40CR steel, this tool promises longevity and efficiency. Specifications: Component: Head: Hard Alloy; Body: 40CR Color: As pictures shown. Optional Diameter: 6mm, 8mm, 10mm, 12mm Size 6mm: 97x6mm/3.82x0.24in Size 8mm: 115x8mm/4.53x0.32in Size 10mm: 121x10mm/4.76x0.39in Size 12mm: 122x12mm/4.8x0.47in Quantity: 4pcs Package Includes: 4pcs Four Flute Saw Tooth Drill Bits note: Please allow 0-2cm error due to manual measurement. Please make sure you do not mind before you bid. The color may Please allow 0-2cm error due to manual measurement. Please make sure you do not mind before you bid.