STRONGHAND TOOLS UG-85 4-in-1 Adjustable Welding Clamp 1200 lb. 8.5"x4.3/4" w/ pipe clamp/ext 4-IN-1 Utility Clamp - G-Rail The Only Sliding Arm Clamps in the industry with the removable/reversible clamp arm, and the threaded jaw hole for adding exclusive Strong Hand® accessories. The 4-IN-1 Clamp adapts to create a: Pipe Clamp, Spreader Clamp, and Step-Over Clamp. 1 Clamp...4 Applications. 4-IN-1 Utility Clamps The Only Sliding Arm Clamp with a removable/reversible arm. 4 functions... 1 Clamp! * - Standard Clamping * - Pipe Clamping * - Step-Over Clamping * - Spread Clamping UG85 8-1/2" (215 mm) 4-3/4" (120 mm) 1 x 15/32" (25 x 12 mm) 3/8-16 (M10) 1200 lbs (550 Kg) --- STD 3.5 lbs (1.6 Kg) 

This is a great Welding Clamp, not only can you compress as most clamps, but this clamping arm slides off and turns around to become an expander, and it includes extentions for reaching around obsticles. This clamp can also be used for woodworking and other uses. It works just as well as a Bessey or Gross Stabil with features they dont offer