This pet care comb is replaceable head comb, which includes many four heads for different usages. Our replaceable head comb have FIVE patterns: AQT, CQT, DQT, AUZ and DUZ.
AQT: Four heads of needle
CQT: Three heads of needle(The diameter of the needles are more longer than AQT. )

DQT: Four heads of blade
This one with balde is for de-shedding, we have 4 sizes for choosing. And the others with needles are for grooming. AUZ and DUZ are different from AQT, CQT and DQT. With regards to either the style or the function, AUT and DUT are advanced. You may choose any of them to combine to be a perfect grooming kit! (one Q handle with any of the heads of AQT, CQT and DQT or one U handle with any of the heads of AUZ and DUZ. )