Neiko Tools USA Adjustable Screw Depth Bit Holder with Magnetic Tip
Adjustable Screw Depth Bit Holder w/ Magnetic.  Hardened Nickel Plated Shaft.  Stainless Construction Bit Holder.  Super Strong Magnetic Tip & Adj Depth Always Hold Screw in Straight.  1/4" Hex Driver w/ PH# 2 Bit.  Overall Length 60mm.