Height extendable for certain models:
TP 332 + extension = TP 333 & TP 334
TP 343 + extension = TP 344 & TP 345
TP 363 + extension = TP 364 & TP 365
TP 463 + extension = TP 464 & TP 465
TP 482 + extension = TP 483 & TP 484
TP 493 + extension = TP 494 & TP 495