Yost Bench Vise 360 Degree Swivel Base Iron Casting 30000 PSI 4 in. Yost Model RIA-4 machinists bench vise uses 30,000 PSI gray iron castings for increased durability featuring a totally enclosed screw assembly, 360° swivel base with (2) lockdowns and replaceable hardened steel grooved top jaws. Swivel base equipped (4) 5/16 in. Tools Product Type: Hand Tool.This item is in the category "Home & Garden\Tools & Workshop Equipment\Hand Tools\Clamps & Vises". The seller is "*happyvalleysales" and is located in this country: US. This item can be shipped to United States.