Mugihe cyo guhitamo iburyo bukwiye kubikorwa bitandukanye, guhitamo imbaraga zingeri zinyuranye bigira uruhare runini mukurinda umutekano nubwizerwe bwibigize. Muri iyi nyandiko, tuzacukumbura muburyo bwo gusaba kuri bolts zingero zinyuranye zingufu, twibanze kumanota rusange yo murwego rwo hejuru ya metero, harimo 5.8, 8.8, 10.9, na 12.9. Gusobanukirwa imikoreshereze yihariye ya buri cyiciro cyingirakamaro ningirakamaro kubashakashatsi, abubatsi, hamwe nabakunzi ba DIY kimwe.