1. Akukho ityhubhu yomsila, ityhubhu enye kunye noyilo lojongano olulodwa.
2. I-interface yi-flat-head shaft ye-design interface eyodwa, ekulula ukuyicoca, inokusebenza phantsi koxinzelelo, kwaye isendaweni kunye nomshicileli omnye.
3. Ulawulo lweplastiki olungatyibilikiyo lokutshintsha, akukho kuncamathela okanye ukuncamathela, ukwenza umsebenzi uchaneke ngakumbi.