Strong Hand Tools 4-in-1 Sliding Arm Clamp Kit - 12.5in The economical 4-in-1 Clamp adapts to serve four different functions: 1. Standard Clamping 2. Pipe Clamping 3. Spreader Clamping 4. Step-Over Clamping The 4-in-1 clamp features the removable / reversible clamp arm and a threaded hole in the jaw for the addition of the unique V-Pad and Extender Block Accessories 1 Clamp ... 4 Functions! For standard clamping, the 4-in-1 clamp is 10X faster than a C-Clamp! The Sliding Arm quickly slides into position against your workpiece