The bottom hole can be used for attaching a padlock to keep the gate closed

correctional facilities

LiftMaster Heavy Duty Roller Cage Bearing Hinge - Flat to Gate

Edge sends signal to stop and/or reverse operation when sensing obstructions

3' Yellow Surface Mount Non-Motorized Traffic Spikes; Galvanized Ultra Latch The bottom hole can beCan be used in all commercial and residential applications. Easy to install on asphalt and concrete surfaces. Also acts as a speed bump. Manual Traffic Spikes Directional Control Directional Traffic Control, also serves as speed bump. Rugged, durable design in Standard Duty and Heavy Duty construction. Top Down design make maintenance easy and fast. Unique curved tooth, fishhook design. Durable spring loaded teeth with counter balanced back up. Zinc