QISF 10-Pieces 1/4" Hex Shank Magnetic Screwdrivers Bit Extension Holder Socket Drill Quick Change Bar for Screws, Nuts, and Any Drill or Handheld Driver (2", 2.3", 3", 4", 6") by Amazon.co.uk

• 【Function】Must-have accessory set for power drills and impact drivers,strong built-in magnets hold bits securely in place,1/4" quick-change hex shanks fit all power drills,1/4" impact drivers and hand-held drivers,5 different lengths of 1/4" hex shank extension bars,great for working to somewhere hard to reach.

• 【Wide application】The Magnetic Bit Holder Extension suitable for electric,pneumatic screwdrivers and other screwdriver bits of power tools,drill extended.

• 【Material】Extension Bar made of High Quality Steel.

• 【Magnetic Screwdriver Extension Bars】It has high hardness,non-slip,large torque,long life and durable.Length includes 50mm,60mm,75mm,100mm and 150mm,can meet your various needs.

• 【Package】2pc Magnetic Bit Holder Extension (50mm) + 2pc Magnetic Bit Holder Extension (60mm) + 2pc Magnetic Bit Holder Extension (75mm) + 2pc Magnetic Bit Holder Extension (100mm)+ 2pc Magnetic Bit Holder Extension (150mm)