Inconspicuous and undetectable, the black catcher has evolved from yesterday. The bait mounting door on the back makes it easy to install. The finished product has double the accuracy and strength of the finished product, so it can be installed immediately after purchase. Bait Hanging Method: Black coating, so it is difficult to stand out; Material: Steel, Zinc Plated, Black PVC Coating; Wire Diameter: Approx. 0.08 inch (2 mm) (Note: Capture harmful bird beasts must be permitted by the governor of the prefecture prefecture government. Do not use this trap for animals or for abuse purposes.