Securi T® Ostomy Wafer, 1 Box of 10 Dexterity Tests Clear transparent plastic permits observation Wall Transformers Clear transparent plastic permits observation of joint s axis of motion and its range of motion * The 360¯ head has three scales calibrated to be used with the ISOM (International Standards of Measurement STFR) system * One arm has a linear scale in inches and centimeters * Scale reads 1¯ increments SUCTION PUMPS * AC DC Battery System * Easy to read built in regulator and vacuum gauge for quick accurate adjustments * High performance capabilities up to 555 mmHg vacuum and 27 lpm flow * Convenient 800cc single patient use cannister for easier cleaning and less costly replacement * Small lightweight design * Universal AC power * 12V DC operation with included cigarette lighter cord *Includes all of the above features plus portability with built in battery * Padded carrying case * Battery operates up to 1 hour when fully charged * 4¼ Inches by 4¼ Inches with 1¾ Inch flange and 1½Inch stoma opening pre cut barrier