Zanda Aluminium Sprint Hinge - Available in Various Function Keys & Key Accessories Emergency Opening: Mechanical Key

Emergency Opening: Mechanical Key

Necessary to make sure the screen door closes securely

Optional side or end fix brackets

This tension is what causes the door to close automatically once it's released

Zanda Aluminium Sprint Hinge - Available in Various Function Keys & Key Accessories Emergency Opening: Mechanical KeyZanda Aluminium Sprint Hinge Sprint Hinges is also known as spring hinges, find application in various scenarios where self closing doors or gates are necessary. The spring mechanism within the hinge helps to automatically close the door after it's been opened. Sprint Hinges Function contain a built in spring mechanism that provides tension when the door is opened. This tension is what causes the door to close automatically once it's released.