EasyTouch™ Insulin Pen Needle, 31 Gauge, 5 16 Inch Length, 1 Box of 100 Mouth Care Wafer size: 5 by 5 14283 Wafer size: 5 by 5 Inches TX Traction Unit * Easy to operate * 270 degree Pivoting User Interface * Digital Monochromatic Touch Screen Interface * Patient Data Cards record up to 14 treatment sessions * Store up to 10 user defined protocols * Intermittent Static and Cyclic Traction * Progressive and Regressive steps * User defined Hold Rest and Treatment times * Built in safety features: Patient Interrupt Switch Cervical maximum poundage warning Audible signal at the end of treatment and if Patient Interrupt Switch is activated * Each EasyTouch pen needle cap is color coded for easy and accurate identification Triple bevel cut for a sharper point