The 227A-ET two star brass handle pin vise has a 0 to .015 opening chuck and ergonomic foam grip for comfort and ESD protection (10 ohmssq). The overall length is 4.Specs amp; FeaturesErgo HandleApplication: Provide a handle for various drill bits or probes., Quality: , Surface Resistivity : 10 ohmssq, Shape: Straight, Material: Brass, OAL: 4 (100mm), Tip Width: 0 - .015 (0 - .38mm)