Dycem Reel 8 x10 yd. Blue Shoulder Immobilizers Supports 50 60 Hz Output Frequency: 27 Urinals 50 60 Hz Output Frequency: 27 This instrument is a significant advance in hand held otoscopy providing an improved view for enhanced learning and decision making * A nearly complete view of the tympanic membrane with approximately twice the field of view and 30% greater magnification than a traditional otoscope * Better clarity and definition of landmarks * The ability to adjust focus for variable ear canal length or farsighted eyes * Used by many occupational therapists physical therapists and healthcare professionals as an effective anti slip material * Original materials is 0 4mm * It is non slip on both sides and flexible * It can be cut to any size