Sound activated. Responds to fire alarms, releasing the door in the event of a fire. Wire-free, for easy retrofitting to any door. Intelligent release feature can be programmed to react to a particular fire alarm sound, significantly reducing false activations....

ROCOL RTD® Liquid is a hand applied, lubricant for reaming, tapping and drilling, the market leader for over 60 years. Contains technically advanced extreme pressure additives which significantly reduce friction at the cutting edge, giving sup...