Mwellewm Drill Bit Extension Set 4Pcs Magnetic Drill Screwdriver Bit Holder Bar Chuck Adapter Extender 14 inch Hex Quick Release Bit Holder for Impact Driver Screws Nuts Drill

Double LockOur drill bit extension has a locking device at the red lock along with a slightly magnetic sexual block at the bottom of the hole ensuring that the screwdriver bit or drill bit is securely fastened in place and reduces the displacement possibility of screwdriver or drill bit You simply slide the locking device on the magnetic position holder which can be completed with one hand and quickly and easily change positions greatly improving work efficiency Reliable MaterialsThe drill extension is made of industrial heavyduty chrome vanadium steel there are extended threads at the interface connecting the drill bit which can work better Onepiece telescopic or presspopup structure more convenient to use Universal sizeThe drill extension bit holder is designed with 14 hex shank and a 14 extension chuck adapterfit for all inserts and 14 inch thandle 14 screwdrivers corded drills impact drills or any other device with a 14 inch hex shank The drill bit extender is perfect for maintenance repairs or diy work in automotive hardware home and other fields Package ContentYou will get 4pcs magnetic drill bit extender 14 inch includes 4 Length 260mm4100mm6150mm 12300mm to satisfy your various needs Perfect Gift IdealThis 14 extension set will be a housewarming gift a practical gift for your friends and they will love it very much