The Tri Circle Brass Padlock Model 263 is a premium-grade security lock featuring a boron-hardened, chromium-plated shackle and solid brass cylinder plug with anti-picking device for reliable outdoor protection. Double shackle latches and rust-resistant brass construction make it ideal for coastal, damp, or industrial environments where corrosion resistance is essential. Supplied with 3 keys and sold in cases of 90 units, perfect for contractors, facilities managers, and bulk security applications.