Model Body Length Body Width Body Thickness Jaw Opening Jaw Depth Clamping Force Weight Price SWV-2000 (2") 4.7" 3.35" 1.1" 2" 0.97" 1500 lbs max. 4 lbs $325.00 SWV-4000 (4") 6.67" 3.35" 1.17" 4" 0.97" 1500 Ibs max. 6 lbs $495.00 SWV-6000 (6") 8.75" 4.15" 1.25" 6" 1.4" 1500 lbs max. 8 lbs $655.00 SWV-8000 (8") 11.8" 4.34" 1.44" 8.25" 1.59" 2800 lbs max. 12 lbs $895.00