Oneway Stronghold Chuck, Body Only, No Jaws and No InsertOneway chucks have been designed by a machinist with engineering input from material, heat treating, and plating specialists in order to satisfy the woodturner's every need. Four jaws chucks allow clamping of square or round stock and self-centering jaws allow maximum ease of setup. Internal or external clamping on your piece is also possible. All Oneway chucks and their accessories are manufactured in Stratford, Canada.Features: Oneway Model #30424 1/2" 4-Jaw Scroll Chuck for woodturning. Oneway chucks are known for their great quality and are used throughout the world.Features nickel plated body, hardened base jaws and manganese phosphate coated scrollIncludes: Chuck Key and 4mm Hex Key. JAWS AND THREADED INSERT ARE NOT INCLUDED, SOLD SEPARATELYFour jaws allow clamping of square or round stock; self-centering jaws allow maximum ease of setup (jaws not included)This heavy duty chuck is designed for large lathes (16" swing or greater) to provide maximum gripping power Founded in 1991, a family-owned company has consistently manufactured the finest woodturning lathes and equipment available anywhere. Oneway is now into its third decade of state-of-the-art engineering and manufacturing of woodturning lathes and related equipment.