- SIN-W-20: the most popular model, used to test normal aluminum profiles.
- SIN-W-20a: used to test aluminum profile with thickness within 13mm.
- SIN-W-20b: used to test aluminum tubing’s with inner diameter over 6mm.
- SIN-W-B75: used to test brass tubing’s with inner diameter over 6mm.
- SIN-W-BB75: used to test copper tubing’s and copper sheets.
- SIN-W-B92: used to test soft stainless steel sheets, cold-rolled steel, etc.