These channel style profiles handle heavy duty lifting and/or gripping applications and can be mounted in standard aluminum retainers.

| Style | W | mm | H | mm | Y Gap | mm | |
| PRS576 | CH | 1.945 | 49.403 | 0.898 | 22.809 | 0.500 | 12.700 |
| PRS505 | CH | 3.000 | 76.200 | 1.437 | 36.500 | 0.750 | 19.050 |
| PRS436 | CH | 4.000 | 101.600 | 1.750 | 44.450 | 1.000 | 25.400 |