Features High quality materials Made of high speed steel with strength and durability Storage Packed in a plastic storage box convenient for storage and transportation Widely used 135° rapid cutting point is automatically centered and quickly penetrated with lower pressure and the drill bit kit meets all your requirements including all common size specifications of metal wood and plastic Process treatment The titanium coating surface prevents rust thereby increasing the hardness of the drill bit and reducing heat accumulation making the twist drill bit more wear resistant and longer service life Service guarantee delivery within 30 days we will serve you at any time within 24 hours Specification Produce NameTwist Drill Bit SetMaterialHSSDrill Diameter1x 1 2inch 1x 3 8inch 1x 23 64inch 2x 21 64inch 3x 5 16inch 2x 19 64inch 4x 9 32inch 6x 1 4inch 4x 15 64inch 8x 7 32inch 12x 3 16inch 12x 11 64inch 12x 5 32inch 20x 9 64inch 20x 1 8inch 30x 3 32inch 30x 5 64inch 30x 1 16inch 32x 3 64inchQuantity230pcsNote 1 Please allow slight error due to manual measurement Thanks for your understanding 2 Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object Please take the real one as standard Package Included 1 xBox230 xDrill BitsMore Detail