7.0mm EM4102 PIT bird tag different colours £2.82 Select options Add to Wishlist Compare 3.3mm EM4102 PIT bird tag different colours £2.82 Select options Add to Wishlist Compare 2.8mm EM4102 PIT bird tag different colours £2.82 Select options Add to Wishlist Compare 2.6mm EM4102 PIT bird tag different colours £2.82 Select options Add to Wishlist Compare