The Cogswell surgical aspirator is used for precision suction in the oral cavity to remove blood, saliva, and fragments of tissue and bone. Is is designed as a one-piece suction tube with a finger hole. The hole is located at the concave area midway along the tube. The intensity of the suction is increased when finger covers the hole. Aspirator is 9.6" long and has a 2.3mm diameter opening. Made of surgical grade stainless steel.