Features Bit holders have strong magnetic conductivity to quickly connect or disconnect and ensure they stay in place while driving. The small size allows you to take your bit extension anywhere to do any job, and fits in many tool bags. Holder made of hard steel for maximum durability, the sturdy construction allows for a long service life. There are three extension holders in different lengths and you can use the right one for different needs. The universal 1/4" quick hex shank and 1/4" hex socket fit most electric screwdrivers and bits. Description: These bit extension holders are made of high quality stainless steel and chrome vanadium steel with heavy duty construction to ensure maximum durability. It can be used for a variety of electric screwdrivers and bits, making this extension holder very handy and versatile. Specifications: Colour: red, yellow (optional). Material: stainless steel and chrome vanadium steel. Hex Shank Size: 1/4" (6.35mm) Hex size: 6.35 mm (1/4 inch). Length: 60 mm (2.36 inches), 100 mm (3.93 inches), 150 mm (5.9 inches). Quantity: 3 Package includes: 3 x bit holders. Package List