Pony Jorgensen, 12, Steel Bar Clamp, Medium Duty, For Crafting, Cabinet Making, Woodworking Metalworking, Sliding Head Design Threaded To Accommodate Screw, All Adjustments Made In The Moveable Sliding Head, Suitable For Close Quarters Use, Bars Are Strong, Lightweight Rust Resistant, Multiple Disc Clutch Holds Securely At Any Point Along The Bar, 212 Throat Depth, 1 Jaw Width, 12 Maximum Opening, 14 X 34 Plated Bar, 600 LB Clamping Strength