Powder River’s Dog Kennels continue to improve to better meet the needs of you adn your dog. Some of the latest improvements include: lockable slam latch, heavier hinge, center framed wire for reversibility, wider door opening to accommodate portable kennels, mowers, etc.. The Kennels are constructed from all steel 19-gauge, 1.66 diameter frame and 8 gauge wire. Two connectors are included with each individual panel section. The connectors can be the clean lined tube connector or traditional butterfly clamps (order accordingly).