Health O Meter® Floor Scale, 1 Case of 4 Flexibility Rotation Testers No confusing electronic controls or Detergents No confusing electronic controls or multiple buttons to operate the unit easily Width 4 * The ZERO G Heel Suspension BootTM is aggressively designed to eliminate pressure and friction on the skin preventing and providing relief from pressure sores * Super soft Velvet cloth protects thin fragile skin from tears caused by trauma reducing friction and shear * Extended and cushioned design floats the heel over an air cavity for ZERO pressure and provides air circulation to aid the healing of existing ulcers * A removable Gel Pack may be utilized to further lower pressure beneath the ankle * Foam cushioned sides protect lateral and medial malleoli * Anti foot drop controls dorsal flexion * Padded hook and loop closure allow easy application and removal * Color: Light Blue Battery powered with 2 three volt lithium batteries Option to swith between pounds and kilograms