| Short Variable Spring Supports/Hangers | Fee & Mason Fig. 420 | Fig. PTP-1 A |
| Fee & Mason Fig. 421 | Fig. PTP-1 B |
| Fee & Mason Fig. 422 | Fig. PTP-1 C |
| Fee & Mason Fig. 423 | Fig. PTP-1 D |
| Fee & Mason Fig. 424 | Fig. PTP-1 E |
| Fee & Mason Fig. 425 | Fig. PTP-1 F |
| Fee & Mason Fig. 429 | Fig. PTP-1 G |
| Standard Variable Spring Supports/Hangers | Fee & Mason Fig. 410 | Fig. PTP-2 A |
| Fee & Mason Fig. 411 | Fig. PTP-2 B |
| Fee & Mason Fig. 412 | Fig. PTP-2 C |
| Fee & Mason Fig. 413 | Fig. PTP-2 D |
| Fee & Mason Fig. 414 | Fig. PTP-2 E |
| Fee & Mason Fig. 415 | Fig. PTP-2 F |
| Fee & Mason Fig. 419 | Fig. PTP-2 G |
| Double Variable Spring Supports/Hangers | Fee & Mason Fig. 430 | Fig. PTP-4 A |
| Fee & Mason Fig. 431 | Fig. PTP-4 B |
| Fee & Mason Fig. 432 | Fig. PTP-4 C |
| Fee & Mason Fig. 433 | Fig. PTP-4 D |
| Fee & Mason Fig. 434 | Fig. PTP-4 E |
| Fee & Mason Fig. 435 | Fig. PTP-4 F |
| Fee & Mason Fig. 439 | Fig. PTP-4 G |
