Features: The round padlocks are equipped with a solid copper lock core, which can stop from picking and prying, offering higher security for you to use. The stainless steel disc security padlocks and shackle provide nice cut and pry resistance, minimize shackle exposure. Specifications: Material: stainless steel for locks Color: silver Size: Body wide: approx. 2-3/4 inches Shackle diameter: approx. 3/8 inch Length: about 5/8 inch Width: about 1-1/32 inch Package includes: 24 x Round security padlocks 48 x Keys Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.