Uyilo olukhethekileyo lwe-id yoyilo olulula ukuyisebenzisa xa kungekho lula ukwenza umphezulu wokusika umbhobho ogudileyo akukho msantsa.Ayinakusetyenziselwa ukunqumla ucingo kunye nentambo.Ukusika iDiya yangaphandle: 1/8″ ~ 3/4″ (13mm ~ 18 mm) O/D.Ubume buhambelana ne-ergonomics