Made in Korea by DONGYANG. Revolving Handle M10 x – 76mm ” Grip, 100mm ” Overall – Trailer Jack Handle & Hose Reel Crank Double Nut for Table Saw, Lathe, Drill Press – Swivel Handwheel. Revolving Handle for Double nut Revolving Handle with Double Nut: Simple Drill-Through Installation for Any Project There are currently 4 types available by size.