Master Lock 178BLK Combination Lock 
Reset to Your Own Combination
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Combination System:
4 Easy to Set Dials
Resets Easily With Supplied Tool
10,000 Possible Combinations

Note: Combination Cannot be Reset
Without First Knowing the Combo Code,
The Supplied Reset Key Will Only Work
After Knowing Current Code and Lock
Has Been Opened.

Always Move Dials After Opening in Order
to Keep Your Combination Secretive.

Specifications:
Black powder-coat, 2" (51mm) wide die cast 
body for durable security and weatherability
Corrosion resistant brass insert
Set-your-own 4-digit combination for 
convenience and security
Key provided for easy & convenient 
combination code change 
Reset to any of 10,000 personalized 
combinations
1" (25mm) hardened steel shackle for 
cut resistance
Accepted forms of payments include:
credit, debit, and gift cards, Apple Pay,
Google Pay, PayPal, and PayPal Credit

Unconditional Full Lifetime Guarantee:
Please oil occasionally.This product is warranted to be free from mechanical defects 
for the life of the product.If a mechanical defect occurs the Master Lock Company will 
replace it for free. Just send it to Master Lock Company,2600 N. 32nd Street, 
Milwaukee, WI 53210. The Master Lock Company will send you a new product and a 
check to cover your postage. No receipt required. MASTER LOCK is NOT LIABLE for 
INCIDENTAL or CONSEQUENTIAL DAMAGES. Some state and provinces do not 
allow the exclusion or limitation of incidental or consequential damages, so the above 
exclusion or limitation may not apply to you. This warranty gives you specific legal rights,
and you may also have other rights that vary from state to state and province to province.