Functions SecureHold is the gas springs with protection tubes. There are three types of protection tubes ; Lockable safety protection tube: It locks the stroke in full extended length to avoid any accidents Metal protection tube: It is used in dirty, dusty environments in order to avoid damages, scratches and bangs on the piston rods Plastic protection tube: It is used in dirty, dusty environments in order to avoid damages, scratches and bangs on the piston rods Advantages: Rod surface protection avoiding the risks of scratches, bangs etc. and ensures longer usage of the gas springs Minimize the risk of unexpected sudden compression of gas springs Applications: SecureHold rod protection tubes are used in dirty, dusty environments and used on the gas springs lifting heavy lids.