Kumugozi wa santimetero 4 , buriwese afite impungenge zidasanzwe kubijyanye, kandi icyo dukora nukuzamura ibicuruzwa bisabwa kuri buri mukiriya, bityo ubwiza bwikariso yacu ya santimetero 4 bwakiriwe neza nabakiriya benshi kandi bwamamaye neza mubihugu byinshi. Lishenflex ya santimetero 4 ya ratchet ifite igishushanyo kiranga & imikorere ifatika & igiciro cyo gupiganwa, kubindi bisobanuro kumirongo 4 ya ratchet , nyamuneka twandikire.