Udibaniso lwe-NM lubandakanya iihabhu ezimbini kunye neringi ebhetyebhetye ekwaziyo ukubuyekeza zonke iintlobo zolungelelwaniso lweshaft. I-flexiblerings yenziwe nge-rubber ye-Nitile (NBR) enophawu oluphezulu lwangaphakathi lwe-damping eyenza ukuba ifunxe kwaye ixhathise ioli, ukungcola, igrisi, ukufuma, i-ozone kunye nezinyibilikisi ezininzi zeekhemikhali.