Features: Brand new and high quality The magnetic bit Holder is available in lengths of 2"(60mm),4"(100mm),6"(150mm) 12"(300mm) with extension rod.The screwdriver Holder can hold bit firmly and also hold drop screws. This bit Holder have external hex that is suitable for screwdriver, drills and impact wrenches. It is suitable for all type of screwdriving work DIY projects, workshops, garages and similar applications. This bit Holder have a locking function on the straight tool Holder, which can be perfectly fixed on the screw without worrying about falling off The 1/4" hex handle of bit Holder can be easily inserted into electric screwdriver, drills and hand screwdriver. The drill Holder make easy to hold screws. 1/4" bit and can Drive in screws quickly and precisely. The drill Holder is suitable for variety of applications, such as chipboard or plywood, construct boxes, etc. Specifications: Material:Stainless Steel Hex socket: 1/4 "= 6.35mm. 1/4 "hex handle opposite side: 6.35mm 60mm: 61.5x15x15mm/2.42x0.59x0.59inch 100mm:100x15x15mm/3.93x0.59x0.59inch 150mm:150.7x15x15mm/5.93x0.59x0.59inch 300mm:304x15x15mm/11.96x0.59x0.59inch Package Includes: 4x Screwdriver Bit Holder note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.