Birashoboka ko uri ratchet ya santimetero 4 uhambiriye imishumi yo kugura imishumi, ushakisha ibipimo byiza byo mu rwego rwo hejuru 4 bingana imishumi , kandi Lishenflex numushinga wabigize umwuga & utanga ibicuruzwa bishobora kuguha ibyo ukeneye. Ntabwo igipimo cya santimetero 4 gusa gihuza imishumi twakoze cyatanze icyemezo cyurwego mpuzamahanga, ariko turashobora kandi guhaza ibyo ukeneye. Dutanga kumurongo, mugihe gikwiye kandi urashobora kubona ubuyobozi bwumwuga kuri 4 inch ratchet ihambiriye imishumi . Ntutindiganye kutumenyesha niba ushishikajwe na ratchet ya santimetero 4 uhambire imishumi , ntituzagutererana.