Master Lock 1175DLH 2-1/4″ ProSeries Brass Resettable Combination Padlock

The Master Lock 1175DLH ProSeries Padlock is purpose-built for severe use in high-risk environments, offering professional-grade protection for critical infrastructure, outdoor applications, and long-term storage needs. With a 2-1/4 inch (57mm) wide solid brass body and a 2-1/16 inch (53mm) octagonal boron-carbide shackle, it resists corrosion, cutting, and physical tampering. This resettable combination padlock features 10,000 possible 4-digit combinations and requires no special tools to reset—ideal for fast changes between users. Large, glove-friendly dials make it easy to operate even in poor lighting or harsh conditions.

Designed for commercial and industrial applications, this padlock includes a deadlocking mechanism, dust cover, and shackle seal to block out moisture and debris—making it especially effective for security gates, manufacturing environments, self-storage units, and utility substations. Whether installed at a remote utility site or on a facility’s perimeter fence, the 1175DLH stands up to heavy daily use with dependable, tool-free operation.

Master Lock 2-1/4″ ProSeries Brass Resettable Combination Padlock At a Glance

• Resettable 4-digit combination: Offers 10,000 user-settable options with no tools required
• Boron-carbide octagonal shackle: Resists cutting and sawing for high-security applications
• Solid brass body: Provides long-term corrosion resistance for outdoor and industrial use
• Deadlocking mechanism: Helps prevent prying, shimming, and forced entry attacks
• Glove-compatible, intuitive dials: Easy to use in low-light or cold-weather conditions
• Dust cover and shackle seal: Protects internals from dirt, grime, and water
• Severe-use rated: Built for industrial, municipal, and utility-grade applications

Markets

• Construction Sites A heavy-duty solution for job boxes, tool containers, and gate security on dusty, wet job sites.
• Utilities & Energy Sector Trusted for remote infrastructure like substations, cable boxes, and meters that need high tamper resistance.
• Manufacturing Facilities Locks down access panels, equipment storage, and safety gates under rugged, high-traffic conditions.
• Self-Storage Facilities Delivers secure, long-lasting performance for renters and managers alike with easy combo control.
• Municipal Services Ideal for public park gates, fencing, and access to water or electrical control boxes.
• Security Gates & Fences Built to resist tampering and hold up to constant outdoor exposure in perimeter security applications.
• Educational & Trade Institutions Secures supply lockers, maintenance sheds, and workshop equipment where shared access is common.

The Master Lock 1175DLH ProSeries Padlock is Built for Severe-Use Security in Commercial and Industrial Settings. Whether securing cable boxes, storage lockers, or high-value equipment, the Master Lock 1175DLH provides a practical and highly durable locking solution. Utility workers and facility managers benefit from its keyless access control, while contractors and tradespeople appreciate the no-fuss, glove-compatible dials. From severe outdoor exposure to dusty production floors, this padlock is trusted to perform where others fail—without constant maintenance or replacement.

Master Lock 1175DLH 2-1/4in (57mm) Wide ProSeries Brass Resettable Combination Padlock with 2-1/16in (53mm) Shackle Features

• ProSeries resettable combination locks are designed for Commercial/Industrial applications
• Set-your-own 4-digit combination for convenience and security; 10,000 possible combinations
• No reset tool required
• Large ergonomic dials with exclusive blind dial feature permit operation with gloves, in low light or complete darkness
• Deadlocking mechanism protects against prying, shimming and rap attack
• Shackle seal and dial dust cover protect internal components and dials for trouble-free operation
• 2-1/4in (57mm) wide solid brass body for superior corrosion resistance
• 2-1/16in (53mm) octagonal boron-carbide shackle for excellent cut resistance
• Best Used For: Severe Use – Security Gates & Fences, Self-Storage Units & Lockers, Manufacturing Environments, Utility Meters, Substations & Cable Boxes
• Intuitive dials designed to stop at zero, allowing for easy operation even without visual guidance. Ideal for use with gloves or in the dark

Master Lock 1175DLH 2-1/4″ (57mm) Wide ProSeries Brass Resettable Combination Padlock with 2-1/16″ (53mm) Shackle Specifications

• Product Number: 1175DLH
• Body Width: 2-1/4 in (57 mm)
• Shackle Length: 2-1/16 in (53 mm)
• Shackle Width: 15/16 in (24 mm)
• Shackle Diameter: 3/8 in (10 mm)
• Material: Solid brass body, boron-carbide shackle
• Color: Gold
• Packaging: Commercial carded display
• Shelf Pack Quantity: 4
• Master Carton Quantity: 24
• Warranty: Master Lock Limited Lifetime Warranty

Master Lock 1175DLH 2-1/4in (57mm) Wide ProSeries Brass Resettable Combination Padlock with 2-1/16in (53mm) Shackle Manufacturer Warranty

• Master Lock’s Limited Lifetime Warranty

Why Professionals Choose the Master Lock 2-1/4″ (57mm) Wide ProSeries Brass Resettable Combination Padlock

Whether you’re locking up a self-storage locker, utility substation, or manufacturing floor cabinet, the 1175DLH gets called on when failure isn’t an option. Often referred to by field techs and contractors as a “combo jobsite lock” or “gate box lock,” it’s made for real-world abuse—dust, rain, cold, you name it. The brass body won’t rust, the boron shackle won’t cut, and the combination can be reset as crews rotate out. When you need a severe-duty combination padlock that won’t let you down, this one does the job.