Kateetarka buufinta PTA waxaa ka mid ah 0.014-OTW buufin, 0.018-OTW buufin iyo 0.035-OTW buufin, kuwaas oo siday u kala horreeyaan loo habeeyey 0.3556 mm (0.014 inches), 0.4572 mm (0.018 inches) iyo 0.8835 mm (0.8835 mm) silig Badeeco kastaa waxay ka kooban tahay buufin, Talo, tuubo gudaha ah, giraanta soo koraya, tuubada dibadda, tuubada walbahaarka ee fidsan, isku-dhafka Y-qaabeeya iyo qaybo kale.