* This item is 4 pcs in one set.
1. A simple and efficient way of ensuring a perfect welded butt joint.
2. Holds panels' edge to edge with almost no gap which allows full penetration of the weld.
3. Patented level adjustment allows accurate joining of dissimilar thicknesses of materials.
4. Level adjustment allows flat alignment of top or bottom surface of panels.
5. Level adjusts between 0 and 3mm either side.