Diablo, 4-1/2″, diamond, metal, cut-off wheel, deliver extreme durability, minimal downtime & increased productivity, diamond rimmed wheels deliver 100x longer cutting life versus standard bonded cut-off disc in some of the most intense metal cutting situations, long lasting durability maximizes cutting even in extreme applications such as rebar, angle iron, cast iron & steel bar, provides long lasting cutting life, durability & control, allow for safer cutting experience.