Le rola yepeyinti ibandakanya ilaphu leNylon kunye nesibambo se-TPR, esilungele isimbo se-EU.Oko kunokuzikhethela ukuba ufuna isimbo sase-US.
I-cap ine-diameter ezimbini, i-38 mm kunye ne-48mm.I-38 mm yanele kwiiprojekthi eziqhelekileyo.I-48 mm yeyomgangatho ophezulu.
Umqheba ongezantsi ungafakelwa i-clip-uhlobo lwepali yolwandiso.Oko kunokwenza irola yokupeyinta ipeyinte iindawo eziphakamileyo apho abantu bangakwaziyo ukuzibamba.Umngxuma ekubambeni unamasayizi amabini, enye yi-6 mm, ifanise intonga ye-5.7 mm.Enye yi-8 mm, ifanise ukuya kwi-7.7 mm.