塑料 RT
| Denomination | Properties |
| RT | Rectangular Tip |
| Tip Material | Any Plastic from SPT List |
| Holder Material | Stainless Steel |
| Electr. Resistance | Depending on material |
| Size | From 0.100x0.100mm up |
| Temp. Resistance | Depending on material, up to 280°C |
| Denomination | Properties |
| RT | Rectangular Tip |
| Tip Material | Any Plastic from SPT List |
| Holder Material | Stainless Steel |
| Electr. Resistance | Depending on material |
| Size | From 0.100x0.100mm up |
| Temp. Resistance | Depending on material, up to 280°C |