Wrenches zo mu bwoko bwa L Type U zikozwe mu cyuma gifunga icyuma gikozwe mu buryo bwa "Stainless Steel" zo mu bwoko bwa "U" zikozwe mu ruganda rwa Hex Ring Direct Fastener.

Yuhuang Tech ikora cyane mu gukora udupira tw’ibyuma bitagira umugese twihariye harimo udupira two mu bwoko bwa L, U, hex, na ring. Byakozwe mu rwego rwo gukoresha amashanyarazi menshi, torque nziza, no kuramba igihe kirekire, ibikoresho byacu bitanga ibisubizo byiza kandi bikozwe mu buryo bujyanye n’uruganda kugira ngo bishyigikire ibikorwa bitandukanye by’inganda.