Utility holds handpieces, ultrasonic inserts, and other large instruments.  The bottom is open with silicone retainer strips, Air/Water Clip

FlipTop™ Cassettes are single piece construction with easy push button locking latch and great flow through design, made with the highest quality, passivated surgical-grade stainless steel. Plus, its unique Teflon double hinge flips up, over, and under to create a much smaller footprint when organizing dental instruments and kits. FlipTop™ Cassettes promote the highest sterilization standards, and help improve the life of your instruments through proper storage and organizational efficiency!