The L 7-12 115 4-1/2 in. angle grinder features a long-life motor with highly improved carbon brush lifetime along with high dust protection due to ironclad winding and encapsulated electronics. It is lightweight and easy to use with a slim grip, 6.9 in. circumference. It also features a unique tool free dust guard adjustment with clamping lever. This grinder features best in class power and runs 42% cooler than its closest competitor.