The American Lock No. A1105BLK Aluminum Padlock features a 1-1/2in (38mm) wide black anodized aluminum body with a 1in (25mm) tall, 1/4in (6mm) diameter chrome plated, boron alloy shackle for superior cut resistance. The anodized finish makes padlock suitable for lockout in food processing facilities and corrosion resistant finish ideal for tough environments.