Holes, notches, indents, dimples, diamond indents (embossed), serrated ends, double diameter, coped (radius) ends, open seam gap (keyway), part number stamp, logo stamp, and spin weld assembly.
Welded Seam
![](https://stripmatic.com/wp-content/uploads/2018/07/Stripmatic-Welded-Seam-1024x560.jpg)
Holes, notches, indents, dimples, diamond indents (embossed), serrated ends, double diameter, coped (radius) ends, open seam gap (keyway), part number stamp, logo stamp, and spin weld assembly.