HFS (R) Precision Toolmakers Vise 2-1/2" NEW ; V-GROOVE, 0.0002", All surfaces are hardened and precision ground square and parallel to accuracy of +/- 0002-inches Clamping slots are provided and jaws are easily replaced Ground "V" ,holding of square and round parts, vertically and horizontally 2.5-inches jaw opening Jaw measures 2-inches width by 1-inches depth