LiftMaster Pneumatic 22' Sensing Edge with 2-Wire Coil Cord | LIF-658302 All Security Equipment The bollards are operated using

The bollards are operated using special keys

Bolts & Washers

Doorking Limit Clamp | DKS-9200-309

Doorking PCB Circuit / Logic Board

Dimensions (L x W x H): 1

LiftMaster Pneumatic 22' Sensing Edge with 2-Wire Coil Cord | LIF-658302 All Security Equipment The bollards are operated usingLiftMaster Pneumatic 22' Sensing Edge with 2 Wire Coil Cord LIF 658302 Pneumatic edge kit with exterior air switch. For additional hose, add $1. 50 per foot. A sensing edge should be used on every door for the protection of pedestrians and vehicles. Depending on the type of edge and type of control wiring of the operator with which it is used, the function of the edge will vary. Standard Edge: A standard 2 wire edge will cause a door to reverse when