The 227B-ET two star brass handle pin vise has a 0 to .025 opening chuck and ergonomic foam grip for comfort and ESD protection (10 ohmssq). The overall length 4.5.Specs amp; FeaturesErgo HandleApplication: Provide a handle for various drill bits or probes., Quality: , Surface Resistivity : 10 ohmssq, Shape: Straight, Material: Brass, OAL: 4.5 (112.5mm), Tip Width: 0 - .025 (0 - .63mm)