Eyech 3Pcs 1/4 Inch Hex Shank Magnetic Drill Bit Extension Quick R...

Eyech 3Pcs 1/4 Inch Hex Shank Magnetic Drill Bit Extension Quick Release Screwdriver Nut Drill Bit Holder Extension Kit Set for Impact Driver Bits -2/4/ 6 Inch Length

• Three size: 2inch(60mm),4inch(100mm),6inch(150mm), 3pc assorted sizes so you always have the right size handy when needed
• Made by chrome vanadium steel (CR-V), heat treated high hardness, wear resistance, durable and long service life
• Use for screwdriver bits, drill, batch head, screwdriver head conversion and other tools for the transfer and quick change
• Interface has a locking mechanism, built-have magnetic, automatically pop up batch head.Note: Only the bottom of the hole part is magnetic, the hex shank is NOT magnetic! Only for single head drill
• 1/4" quick-change hex shanks fit all power drills, impact drivers and hand-held drivers, allowing you to bring your bit extensions anywhere to get any job done