This essential TB Testing Arm Set (Pair) is designed to educate students and serve as a visual aid for discussing Mantoux TB test results with patients. The sturdy models accurately depict realistic TB reactions with variations in induration size and pigmentation. The set includes one beige model and one brown model to show variations in skin tone, helping healthcare professionals master the skill of reading TST results based on*induration (swelling) measurements, not erythema (redness). Set Features: Two sturdy models for practicing Mantoux TB test reading. Features realistic variations in size and pigmentation of indurations. Includes one beige model and one brown model. Comes with informative instructions on reading measurements. Model dimensions: 3" x 6½" x 1" each. For more advanced training, consider the Deluxe TB Testing Arm Set (3 Models) (item #26620).