Color-coded solid aluminum padlocks are perfect for lockout/tagout. Available with exclusive laser engraving. Helps comply with OSHA regulations. Padlocks have an anodized finish. Lightweight, corrosion-resistant padlock bodies have case-hardened, boron alloy steel shackles, and 5-pin solid brass cylinders. Approximately 10,000 key changes available, limiting the possibility for key duplication. Cylinders can be re-keyed.