Description The Redlam Panic Bolt is manufactured from cast aluminium, Redlam panic bolts are the economical solution to the problem of providing reliable security for internal emergency exits. Designed for interconnecting emergency exit doors. Breaking the ceramic tube results in the bolt sliding back automatically and unlocking the door. Technical Specification Includes, bolt, hammer and chain, Ceramic tube and fixing screws Safe for food areas, schools, swimming pools, etc Length: 165mm Height: 75mm Depth: 55mm Ceramic tube dimensions length: 120mm x diameter 20mm (Dimensions Approximate) The original and the best! The easiest way to secure a fire or emergency exit door but still comply with Fire Regulations. You simply break the “glass” tube with the hammer and chain and that enables the bolt to be slid and open the door.