Description:_x000D_ Multi coated optics guarantee superior light transmission and brightness_x000D_ Perfect for auto repair and machinery where threads are specified_x000D_ Suitable for soft tapping metal, aluminum, iron_x000D_ _x000D_ _x000D_ _x000D_ Features:_x000D_ Multi coated optics guarantee superior light transmission and brightness._x000D_ Perfect for auto repair and machinery where threads are specified._x000D_ Suitable for soft tapping metal, aluminum, iron._x000D_ Using high?quality materials, strong and durable, has a long service life._x000D_ Clears chips faster and allows particles to escape easily._x000D_ _x000D_ _x000D_ Specification:_x000D_ Material: High speed steel_x000D_ Color: as the picture show_x000D_ Total Length: 58mm (Approx.)_x000D_ Shank: 1/4" (6.35mm) hex shank_x000D_ Thread (Inch): 6-32NC (3.5mm),8-32NC( 4.2mm),10-32NC( 5mm),10- _x000D_ 24NC ( 5mm),12-24NC( 5.7mm),1/4-20NC( 6.35mm)_x000D_ _x000D_ Note:_x000D_ Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon_x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!_x000D_ _x000D_ Package Includes:_x000D_ 6pcs Hex Shank Plug Drill Bits