FEATURES: Center distance of rolls within .0002. Provides a quick and accurate means of holding a workpiece at an angle for grinding or inspection. Square and parallel to within .0002 including vees in sliding jaw. One locking strap included with each vise. Dual .200 minute steps built into the gage roll allow setting small angles with standard gage blocks. One locking strap included with each sine vise. Angled center channel provides extra jaw capacity. Solid, one-piece body. Made from steel, hardened to Rc 58-62. Small horizontal and vertical vees in the movable jaw and a ratchet mechanism with notched pockets and one-piece drawbar. SV337 SUBURBAN SINE VISE Capacity : 4-3/4 Center to Center Distance : 5 ? .0002 Jaw Depth : 3-5/8 Jaw Opening : 1-5/16 Jaw Width : 3 Model Number : SV-337 Square and Parallel : .0002 Vise Length : 7-1/2