Discover the perfect roll-on applicator for your essential oils and fragrances with this premium 18MM metal ball design and elegant black cap. Built for smooth, controlled dispensing, it eliminates waste while maximizing precision with every application. Fits seamlessly onto 10ml, 15ml, 30ml, and 100ml glass bottles, giving you one versatile solution for your entire aromatherapy collection. Invest in quality that delivers consistent, professional results every time.