With features such as corrosion resistance, rust resistance, wear resistance and high hardness, this product can be used compatible a long time. Stable inner structure design makes the lock core not easy to fall off. Multi sizes available design allows you to choose as needed. It is constructed of zinc alloy material. We have 4 sizes compatible you to choose. It is suitable compatible file cabinets, office, home, apartments, and so on. Item Name: Cam Lock Material: Zinc Alloy Opening Hole Diameter: 20mm Features: Wide Applications, Anti-corrosion, High Security Size Details: 16mm Cam Lock Length: 1.6cm/0.63", Diameter: 2.35cm/0.93" (Approx.) 20mm Cam Lock Length: 2cm/0.79", Diameter: 2.35cm/0.93" (Approx.) 25mm Cam Lock Length: 2.5cm/0.98", Diameter: 2.35cm/0.93" (Approx.) 30mm Cam Lock Length: 3cm/1.18", Diameter: 2.35cm/0.93" (Approx.) Lock Plate Thickness: 0.2cm/0.08", Length: 4.6cm/1.81" (Approx.) Thread Length: 1.8cm/0.71", Flat Length: 1.6cm/0.63" (Approx.) Hexagon Nut Thickness: 0.4cm/0.16" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cam Lock 2 x Keys