Product Specifications: Color: SilverBlack Material: Zinc Alloy and Iron Hasp Size: 100 x 40 mm/4" x 1.57" (L*W) Lock Base Size: 40x 40 x 32mm/1.57" x1.57" x1.26" (L*W*H) Hasp hole center distance:25mm/1" &15mm/0.75 " Lock Base hole center distance:30mm/1.18” Mounting hole diameter: 6mm/0.23 " Screw Length: 20mm/0.8" Product Advantages: (1) The Twist Knob Hasp Lock is made of high-quality high-quality zinc alloy and iron, with multi-layer electroplating on the surface, beautiful and waterproof, strong corrosion resistance, strong wear resistance, and not easy to scratch Injury, simple and fashionable. (2) When the hasp latch is closed, all screws are hidden to prevent unnecessary disassembly, safe and secure, to protect your home, property and personal privacy. (3) The hasp lock with key is equipped with keys and screws, which is convenient and simple to install, and does not require a padlock. It can be locked by rotating 90 degrees. Tips: 1. All our products are measured manually, there may be 1-2mm error, please understand. 2. Due to different monitors, there may be slight differences in the color of the product, please understand.