General description The VEVOR Mechanical Keyless Entry Door Lock is designed to provide robust security with its pure mechanical structure and durable zinc alloy material. This lock is weather-resistant, ensuring reliable performance in various conditions. It is user-friendly, featuring multiple screw sets and shafts for easy installation on different door sizes, making it a convenient choice for securing gardens, garages, storage sheds, and yards. Technical specifications Item Model Number: OL-209D2-BY-B-01 Compatible Door Thickness: 1.4 - 2.5 inch / 35-65 mm Protective Pad Size: 6.2 x 2.5 inch / 160 x 65 mm Installation Spindle Lengths: 2.1 inch / 55 mm, 2.4 inch / 63 mm, 2.7 inch / 71 mm, 3.1 inch / 79 mm Installation Screw Lengths: 1.5 inch / 40 mm, 1.9 inch / 50 mm Hollow Stud Length: 1.5 inch / 40 mm Material: Stainless Steel, Zinc Alloy Product Weight: 3.0 lbs / 1.4 kg Product Dimensions: 8.0 x 5.6 x 5.9 inch / 202.5 x 143 x 150 mm Installation Easy installation with just a