Check the listing for details. 2-5/16" x 3/4" Quill Return Spring Assembly Fits Many Drill Presses. Condition: New. Listed at 34.95 USD. This is a replacement Quill Return Spring Assembly for many drill presses with similar size springs. Here are the details:Fits many drill presses with similar size springsChrome plated housing is 2-5/16" in diameter x 3/4" deepThe center hole is .546" in diameter (just under 14mm)There are 3 notches equally spaced around the outside rim of the housing to index a tab on your drill press housingTorsion spring wire is 19/64" (.292") wide x .046" thickWith retaining washerTotal assembly weight is 4-1/2 oz.Please study the pictures and specs and email with any questions. Thanks for stopping by. Please make sure you check your drill press model against our list above before ordering this return spring assembly. FAST Shipping Included in the USA. Shipping weight is 6 oz.