Utubari twa Chocky ni ubwoko bwimyenda yo gukingira cyangwa amasahani yakozwe na tekinoroji ya bimetallic hamwe na chrome yera ya chrome yera (cyangwa karubide ya tungsten) yambara mumaso hamwe nicyuma cyoroshye. Buri gihe irasudira ku ndobo za excavator, imashini zipima n'ibindi bikoresho biremereye kugirango birinde ahantu hakeye kwambara.
Sunwill ishoboye gutanga utubari twa chocky mubipimo byubunini cyangwa ingano yakozwe nkuko abakiriya babisobanura.
Nyamuneka twandikire ibisobanuro birambuye niba bikenewe.