Chrome plated.
Wire space ranging between 4.12 and 4.22 millimeters which is perfect to keep queen in brood box.
Wide rim/surround to prevent hive tool damaging excluder wire and let queen into super/honey box.
Pretty thin with plenty of rigidity. Stop honey box/super slipping on the top of brood box.
Metal slides add extra stability and keep wire spacing within range.
Country Of Origin: China