Hu-Friedy - Luxating Elevator hdl #510, straight 3mm3 mm, Straight Cuts periodontal ligaments Uses a rocking motion for cutting Decreases pressure on adjacent teeth Luxating Elevators have sharp, thin blades specifically for cutting periodontal ligaments. The elevators use a rocking cutting motion, which decreases pressure on the adjacent teeth, compared to a standard elevator that lifts and pries. They are made of immunity steel and are heat treated to ensure optimal sharpness and durability.