PEARL COMMITMENT: The Pearl Abrasive Company is committed to innovation, quality, and consistency as well as providing the best possible service to all customers. For dust control when grinding concrete, masonry and mortar. Connects to all commercial vacuums. Easy to install. For 4.5-5in. Slide nose brushes allows... Users can easily slide open the nose for tight edgework and quickly transition back to the closed position. Pearl Abrasive 4-1/2 Vacu-Guard Dust Shroud - (VACGR45B) - Monterrey Sliding Nose Shroud Dust Shroud VAC70EPS 7" With Sliding Nose - Pearl Abrasive Co Angle Grinder Attachment A steel support rib on the bottom of the shroud helps the shroud hold its shape and provides resistance against abrasion. 5" Dust Shroud DURABILITY & FLEXIBILITY: Heavy-duty material is both durable and flexible, for longevity. Unique air slots in the body of the shroud also add efficiency by improving air flow.