Fits most vise models with standard size shaft 3/8" or less. Create your own vise base with a variety of materials like wood, granite, steel, marble or polypropylene. Adapter is constructed of heavy brass. Threaded bottom requires a 3/8" hole in mounting surface. Surface will be sandwiched between two knurled nuts. Overall length is 3-3/8" and the subsurface threaded length is 5/8"
For thinner base materials which will hold screws like wood, polypropylene. or metal we also had rubber feet which lift material by 1/4"