Screw Type Grinding Precision Sine Vice is made using En31 grade alloy steel which ensures optimum durability along with long lasting trouble free service. The Sine Vice is available with sturdy body and is hardened and grounded to 52-56 HRC to better gripping. The Sine Vice is provided with a steel alloy screw, which is fitted in a gun metal nut and has a grounded cross V on jaw, which helps in holding small round jobs. Screw Type Grinding Precision Sine Vice is available in application specific design and accurate in dimension.