①Aluminum Alloy Handle: L94mm ②Magnetic Extension Bar; L 60mm ③Screw Bits Dimension: L 28mm *Screw Bits Dimension ( 4x28mm) *Aluminum alloy handle, magnetic extension bar, 36 screw bits. *Ergonomic handle, rotating cap design, easy and flexible for operations. *The front end of the handle with magnetical design can hold the bits and magnetize the screws. *Chrome vanadium steel forging and heat treatment, the screw bits are durable. *Fully automatic flip cover, you can open and stand this unit on your desk by pressing the button on the box. - black