Wilton  22007 540A-10, 540A Series C-Clamp with  0-Inch to 10-Inch Jaw Opening and  3-5/8-Inch Throat Depth, 1-Pack Frames Made From High Strength Ductile Iron Castings Sliding Pin (Vise Type) Handle, Single Acme Thread Rolled Spindle And Oscillating Ball And Socket Tip Walton-Feet's Heaviest-Duty Carriage Clamp Available