Check the listing for details. SQ2 Magnetic Square Head Screwdriver Bits 1/4 Inch Hex Shank 2" 5Pcs. Condition: New. Listed at 12.38 USD. Why Choose This:★Expand Length : 680mm/26.8inch ; Spring OD : 36mm ; Material Width : 6mm ; Material Thickness : 0.65mm ★☆ Chemical Blackening, the performance of the product form oxide film, isolate the air, prevent rust.★☆ The drill press quill return spring is good replacement for many existing quill spring drill presses, this spring will returns the quill to the top after you have completed drilling.Used to all kinds of vacuum cleaner coil spring, volume tube coil spring, and so on.★Inner Mounting Type : Hook; Outer Mounting Type : Hook，Pack with 2 x Drill Press Spring★☆ Pay attention when installing springs. Do not loosen the wire of fixed springs! When installing, install the spring with a fixed wire directly into the spring seat, and the wire will slide out.