Abstract: Allergy testing apparatus (10) includes a housing (18) with opposed parallel sidewalls (22, 24) and a pair of pressure plates (30, 32) located therebetween. The surfaces between each sidewall and adjacent pressure plate are configured into shallow openings (28, 36), each set of complementary facing shallow openings forming a cylindrical opening (35). Threaded bolt (38) on being advanced secures picks (12) within individual openings (35). In use, the entire assembly of picks (12) is lifted by the gripping bar (26) and simultaneously pressed against the patient's skin.