• Jaw Width (Inch): 3"
• Material: Steel HRC 58-62
• Jaw Opening Capacity (Inch): 3-3/8"
• Body is one solid piece of steel, hardened like the rest of the sine vise to HRC 58-62 • Dual 0.200" minute steps for setting small angles with standard gauge blocks are built into the gauge block roll • Provides a quick and accurate means of holding a workpiece at an angle for machining, drilling or grinding