At Master Lock, the health and safety of our associates is always a priority. During this rapidly evolving time, we’re taking the necessary precautions to help reduce the spread of COVID-19 in our communities and our facilities while continuing to meet our customers’ needs. For the latest information and resources regarding COVID-19, please visit the World Health Organization website.

Hover over image to zoom

Model No. 178BLK

2in (51mm) Wide Resettable Combination Zinc Die-Cast Padlock, Black

Product Locator

Request A Quote

Learn about our products from a Master Lock Sales Representative.

View My Quote List

Overview & Features

Product Features

  • Black powder-coat, 2in (51mm) wide die cast body for durable security and weatherability
  • Set-your-own 4-digit combination for convenience and security
  • Reset to any of 10,000 personalized combination
  • 1in (25mm) hardened steel shackle for cut resistance

Product Details

The Master Lock No. 178 Resettable Combination Padlock features a 2in (51mm) wide solid Die-Cast black body and a 1in (25mm) tall, 5/16in (8mm) diameter hardened steel shackle for excellent cut resistance. The 4-digit dials allow you to set-your-own combination and reset to restrict/change allowed access – 10,000 combinations available.

Product Specifications

  • Product Number 178BLK
  • Description Commercial Boxed Packaging
  • Shelf Pack Qty 6
  • Master Carton Qty 36
  • Body Width 2in (51mm)
  • Shackle Dimensions A: 5/16in (8mm) B: 1in (25mm) C: 1in (25mm)
  • Color Black
MLCOM_PRODUCT_175_schem.jpg
Click image to zoom

Service & Support

FAQs

Frequently Asked Questions

  • How can I fix a resettable combination lock that sticks from time to time?
  • How do I set or reset the combination on a Set-Your-Own combination padlock model 175, 176, 177 or 178?