BESSEY TGK4.579+2K - Heavy duty (TGK) with 2K handle 79" x 4 1/2" Throat depth.Bessey TGK4. 579+2K Malleable Cast Bar Clamps Heavy Duty has a 79" Clamping Capacity, 4 1 2" Throat Depth and feature a 2K Composite Handle with Comfort insert and more clamp force than you will probably ever need. These Malleable cast bar clamps are meticulously designed with the user in mind. With a whopping 1540 lbs of clamping force and Malleable cast jaws that feature a corrugated design for added strength and durability, it's clear to see the