These handy clamps from Metal Man Tools are sold in a set of 8 (check other listing for other quantities). 

Achieve perfect panel alignment every time with these Butt Welding Clamps.
Designed for accurate edge-to-edge joining, they securely hold sheet metal panels with the correct gap for clean, consistent welds. Ideal for automotive repair, fabrication, and sheet metal work.

Features:

  • Ensures accurate alignment and gap control

  • Ideal for butt welding panels and sheet metal

  • Suitable for automotive and fabrication use

  • Quick and easy to position and remove

  • Durable steel construction for long life