Kalmar "biyu na pincers" yawanci tana nufin kayan aiki ko aiwatarwa da ake amfani da su don kamawa, riƙewa, ko cire abubuwa. Yawancin lokaci yana kunshe da hannaye ko muƙamuƙi guda biyu waɗanda aka rataye a gefe ɗaya kuma ana sarrafa su ta hannaye a ɗayan ƙarshen. Pincers yawanci ana amfani da su a aikace-aikace daban-daban, kamar aikin gini, aikin ƙarfe, da aikin lambu, kuma suna iya zuwa da girma da siffofi daban-daban dangane da takamaiman amfanin su. Kalmar "biyu" a cikin "biyu na pincers" yana nuna cewa akwai hannaye ko muƙamuƙi guda biyu waɗanda ke aiki tare a cikin hanyar haɗin gwiwa don yin aiki.