Features:* Made of high quality material, durable and practical to use.* 1/4" HSS hex shank metric right hand thread tap and cone drill bit.* Hole chamfering in one, easy to operate, hand drill, bench drill, tapping machine with hex shank.* Processing: wood, plastic, aluminum, tin alloy, iron plate, workpiece thickness less than 5mm. Specifications:* Material: high speed steel* Blue color* Chuck diameter: 1/4 inch/6.35mm* Size : M3x0.5mm, M4x0.7mm, M5x0.8mm, M6x1.0mm, M8x1.25mm, M10x1.5mm* Length: as picture shown* Quantity: 6pcs Package includes: 6 * Tapping Drill Bit Note: 1. Real colors The item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.