Nambala yogwiritsira ntchito patent: ZL201720537626.5

Imapangidwa mwatsatanetsatane kuchokera ku chitsulo cha 45 #, chokhala ndi tungsten carbide pamwamba pa mphete yakunja kuteteza bwalo lakunja la diski yoyendetsa kuti lisavale, potero limateteza bwino ma bolts, kuwapangitsa kukhala otetezeka komanso odalirika mabowo ophatikizika ndi msonkhano amapangidwa kuwongolera disassembly ndi kusonkhana. (Kulinganiza kwamphamvu, mtengo wokwanira ≤5g)