It is a 3" fork latch

this will make it harder for people to climb

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

Monitor activity with your smartphone using the myQ app

Made of corrosion resistant aluminum

3' Yellow Surface Mount Non-Motorized Traffic Spikes; Galvanized Ultra Latch It is a 3" forkCan 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