BLASTBALLTM  hole plug is primarily used to plug break-through holes, mainly in underground mines, but also in other small-hole applications to ensure that the explosion pressure is directed towards the surrounding rock. The hole plug is filled with compressed air. The product is available in three different sizes, with the smallest available size being 64–115 mm.

MTi Group is an Australian manufacturer and supplier of mining consumables and accessories. With over 25 years of experience, our products are used across the globe in over 450 mine sites worldwide.