Features: Combination Lock: Held together by a 4-number pre-set (unchangeable) combination. Fits for Holes within 5.5mm diameter. For Everyone: 14 mm height push button which is easier to use for children elderly and even visually impaired. Strong Materials: Made of quality zinc alloy which is durable and will not easy to rust or deform with long service time. Heavy Duty: High strength high hardness; impact resistance effectively prevent violent unlocking and protect your items. Wide Applications: Ideal for security windows cabinet doors barn doors garden fences and anywhere you need a lock. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material:zinc alloy Size: As follows Total height: 65mm Lock loop thickness: 5mm Lock loop distance: 20mm Suitable for Holes: within 5.5mm Diameter Color/Style: As the picture shown includes: 1 x Lock "