Securing and stabilizing DIY projects is an important step in building something that can withstand a lifetime of use. Additionally, the Weatherguard (TM) Protection coating withstands harsh weather conditions and protects the hardware from premature failure. National Hardware's Commercial 4-1/2-in Standard Weight Template Hinge is designed for use on internal or external doors of medium weight and average frequency. Commercial-grade in a Satin Chrome Finish with thicker gauge and more durable design than standard hinges