The WoodRiver Patternmaker's Carving Vise is a versatile visedesigned for holding irregular shaped items. Theheavy cast iron body swivels a full 360 degrees and adjustable swiveling jaws adapt to most shapes and can be locked in position for a secure grip. Thesejaws pivot and conform to odd shapes andnon-parallel workpieces. This allows flexibility in holding irregular shaped workpieces such as sculpture work and other carved objects. The pattern maker's vise attaches to your work surface using 5/8" threaded rod and alarge cast ironwing nut. This designis easy to set up and remove and supports use with tops and benches up to 4-1/2" thick. This versatile heavy duty vise has a place in anyworkshop. Features: Vise body and jaws swivel 360 degrees Clamp virtually any shape including non-parallel workpieces Perfect for holding table legs for shaping or carving Useful for carving and fitting gunstocks Luthiers find thisvise essential for building & repair. Perfect for holding instrumentbodies and necks for shaping and sanding. Specifications: The wooden jaws are 4-7/8" wide with a maximum opening of 6". These jaws can be replaced/customized to suit your application. Secure to up to a 4-1/2" thick workbench or tabletop with the threaded rod and large winged nut Mounting stud size: 5/8" D x 11" L aded rod and large winged nut.