Tsarin da ka'idar aiki na Q jerin waya layin hakowa kayan aikin Q jerin waya line hakowa kayan aikin hada core ganga taro da overshot taro: Outer tube taro ya ƙunshi kulle hada guda biyu, adaftan hada guda biyu, saukowa zobe, reaming harsashi, m tube, m tube da bit.ciki tube taro ciki har da mashi batu, detent inji, daidaita inji, Pensile cibiyoyin, tube taro cire cibiyoyin, A matsayi kamfanin dillancin labarai da Core jams dillancin labarai da dai sauransu.

Overshot shine na'urar da ta dace a hako layin waya.Ana jefa shi a kan kebul kuma a haɗa kai tsaye zuwa sama tare da ɗaga taron bututun ciki, yana kawar da buƙatar ma'aurata da warware igiyar sanda a duk lokacin da aka dawo da ainihin.

Ezy Lock Overshot samfuri ne da aka gyaggyarawa dangane da ƙarami.Yana ba da kariya daga sakin ainihin ganga ta bazata.Wannan ya dace don aikace-aikacen suface lokacin hawan sama sama.Q jerin overhshot suna samuwa a cikin girman A, B, N, H da P.