Grinder-Tec Dust Shroud. FEATURES SPECIAL TO 175mm GRINDER-TEC Made of high grade polyurethane - exceptional wear life (not recycled vinyl) • Vac Port - comes out parallel with the floor - allows you to get closer to corners, and the hose does not come up at an awkward angle • Easy fit - super clamp makes fitting easy and you can adjust the height if necessary • No brushes or velcro strips, or adjustment needed as disc wears