DIY installation: Fits most standard single-cylinder US doors. The simple installation takes minutes with a screwdriver (included). No extra drilling.
Door thickness: between1-3/8" (35mm) to 2-3/16" (55mm), adjustable latch 2-3/8" (60mm) or 2-3/4" (70mm). Please check your door size before purchase
Buy with Confidence: Your satisfaction is our greatest joy. We not only provide detailed installation guide and clear user instruction but also 12 months warranty and free life-time technical support. If you have any questions, please feel free to contact Foxgard customer service