Master Lock No. 6321

• Iron shroud protects shackle from bolt cutters
• Standard model keyed different
• ProSeries^® Padlocks are designed for Commercial/Industrial applications
• 2-1/8in (54mm) heavy steel body withstands physical attack
• 3/4in (19mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
• Dual ball locking mechanism resists pulling and prying
• High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Best Used For

• Industrial, storefront and business gates
• Manufacturing environments
• Trailers, vans and moving trucks
• Truck doors

The Master Lock No. 6321 shrouded laminated steel padlock is designed to reduce shackle exposure and improve resistance to cutting and tampering. Its rekeyable pin tumbler cylinder allows flexible key management while maintaining dependable security. Ideal for gates, storage units, trailers, and commercial applications where added protection is essential.