Screwdriver Extension Bar,3pcs Electrical Drill Bar Magnetic Bit Holder 1/4" Shank Tool

☀MATERIAL: Made of carbon steel and chrome vanadium steel for maximum durability, the superior hardness design allows it to use for a long life. ☀SPECIAL DESIGN: Bit holders have magnetism for quick connection or disconnection and ensure that they do not slip while driving. ☀ CHARACTERISTICS: Universal 1/4-inch hexagonal shank and 1/4-inch hexagon socket fit most electric wrenches, drills and bits. ☀ EASY TO CARRY: The small size allows you to take your bit extension anywhere to do any job, and can fit in many tool bags. ☀ SIZE: 1/4 "Hex Shank Size, 1/4" Hex Socket Size, 6 cm, 10 cm / 3.93 ", 15 cm / 5.9" Length, Weight: 0.1984160358 pounds, Manufacturer: Yanmis