Bessey 1800-S8 High Performance Medium Duty All-Steel Bar Clamp with 8" Clamping Capacity, 4 3/4" Throat Depth, and 1980 Clamping Force. 

Bessey's High Performance 1800S series all-steel bar clamps are the go to clamp for many professional shops.  The sturdy sliding arm allows you to set up an estimated 9x faster than with a standard C-clamp.  Built to last and withstand great load capacitys.

Features:

• Patented rail profile offers more clamp force with fewer spindle turns
• Patented MorPad can tilt up to 35 deg and extend clamp life, even at full capacity
• Heat treated, high carbon Acme threaded screw givesgreater load capacity, longer life and spatter resistance
• High-streength electro-galvanized sliding pin T-handle has rounded ends for comfort and is size engineered for best load capacity.  Also comes with an ergonomic grip
• The U-Shaped tempered steel sliding arm offeres straight-line power transmission and great stability

WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov