Le roller kapende ihlanganisa indwangu yeNyiloni nesibambo se-TPR, esilungele isitayela se-EU.Lokho kungaba ozikhethela uma ufuna isitayela sase-US.
Ikepisi linobubanzi obubili, 38 mm no-48mm.38 mm kwanele kumaphrojekthi ajwayelekile.48 mm eyezinga eliphezulu.
Isibambo esingezansi singafakwa isigxobo sesandiso sohlobo lwesiqeshana.Lokho kungenza irola likapende lipende izindawo eziphakeme lapho abantu bengakwazi ukuthinta.Imbobo yesibambo inamasayizi amabili, eyodwa ingu-6 mm, ifanise nenduku engu-5.7 mm.Enye ingu-8 mm, ifanise no-7.7 mm.