[Adjustable, reversible and designed] Single-cylinder door latch can be adjusted between 60 mm and 70 mm (2-3/8 to 2-3/4 inches) according to your home design style. Most standard-sized gates of 1-3/8 inches or 1-3/4 inch thickness are compatible and suitable. The front door handle can be adjusted between 215 mm / 8.5 inches and 225 mm / 8.86 inches, complies with most existing door configurations, perfectly reversed for both right and left -hand doors! .[ Heavy Service Type Modern Style] Low half -piece, this front entrance arm should be used with an existing bolt or electronic smart slide lock. Solid zinc alloy, advanced electrocapping spray paint and high -strength corrosion prevention feature, has a smooth surface that does not contain pollution. Suitable for commercial and housing. .[ Excellent design] The front door handle is perfect for use with mechanical sliding or electronic smart slide lock at the entrance doors and front doors. The black entrance door handle is designed in both traditional and modern style, so it fits most of the decoration style and is suitable for both commercial and housing applications. .[ HEAVY SERVICE TYPE MODERN Style] , Contemporary Style: Made of solid zinc, steel and stainless steel materials; Brave square shape for modern attractiveness .[ Easy installation with lifetime support] The entrance door handle is designed to be easy to replace and install, please do not hesitate to us for any problem. Our front door handle provides 30 -day , 12 months and lifetime technical support.