At least two bulldog hinges required per gate

When activated

This allows the rail to have some freedom of movement as it expands and contracts on the chain link fence

This keypad can be mounted to walls and pedestals both indoors and outdoors

1-5/8" x .055 x 6' Residential Galvanized Pipe for Chain Link Fences WOODHW At least two bulldog hingesThis is a 1 5 8" x . 055 x 6' Residential Galvanized Pipe for Chain Link Fences. 1 5 8" nominal O. D., 1 1 2" actual O. D. . 055 wall thickness 17 gauge Galvanized steel Made for residential use Pipe must be cut down to lengths shorter than 8' or shorter to ship UPS, otherwise it would need to be shipped via a flatbed which is much more expensive. This pipe can be cut to customer specifications. Cut charges may apply.