This long handled key allows for easy turning of screws and prevents the patient from swallowing the key. The button is made of super-safe Hi Impact Polystyrene that will not come off no matter what unusual force is placed on it. Two styles to choose from: Original, the bend is made perpendicular to the loop under the button or New and Improved, the bend is made on the same plane as the loop under the button. Both styles can be used with and work well with all screw mechanisms. 10 PACK.