The Stainless Steel UL Fireproof Commercial Cylinder Door Lock is a high-security locking solution designed for commercial and industrial use. Constructed from durable stainless steel, it offers superior resistance to corrosion, wear, and tampering. Certified with UL fireproof ratings, this lock ensures reliable performance even under extreme heat conditions, providing enhanced safety for fire-rated doors. Its cylinder mechanism delivers smooth, precise key operation while maintaining strong security against forced entry. Ideal for offices, warehouses, and commercial buildings, this lock combines robust protection, fire safety compliance, and long-lasting durability to safeguard assets and personnel effectively.