Lot of 100, size is 2 7/8" tall by 1 5/8" (43mm x 50mm), color is black, material abs, resonant frequency is 8.2MHz (±3%), effective signal range: ≧2000 cc, lock cylinder  three-ball structure, working distance up to 2.5 meters in the inspection door. Each tag comes with a chrome pin that may or not be in the tag. Security tag pin remover is not included!