Does this lock have any harmful chemicals Prop 65

Don’t put it in your drink or cook with it, if it mixes into your drink or food it could make you sick but I believe the report said you’d have to do that 834 times to have a negative affect on you. But on a side note I read just the paper from the Prop 65 rule could make you violently sick if you eat all the paper in just one setting.

Is it for outdoor use?

It hasn't fared well for us. We have an older one which held up for about 3 years before needing to be replaced. The lifetime warranty allows you only one replacement, so it really isn't a lifetime warranty at all. If you live near the beach, consider yourself lucky if it works for 2-3 years. That said, it is for outdoor use, just expect to lubricate frequently especially after rain or if you live near saltwater.

What's the diameter of the shackle? I need to make sure it can fit through a hole in a security box.

5/16"http://www.allpadlocks.com/cgi-bin/ez-catalog/product_images.cgi?account=X380790;product_id=M178;image=images%2Fcatalog%2F178sketch.jpg

Lost the change key -- how to reset the combo without it?

you can just use a small screwdriver to push in and change the combo while doing so. The Key really just holds down the bar inside for you.

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Master Lock Black Combination Padlock, Set Your Own Combo Lock, Weather Resistant Indoor and Outdoor Padlock with Code for Gym Locker, Gate, Shed, 178D

Master Lock Black Combination Padlock, Set Your Own Combo Lock, Weather Resistant Indoor and Outdoor Padlock with Code for Gym Locker, Gate, Shed, 178D

Product ID: 2378581

Details

Brand
Master Lock
Item dimensions L x W x H
1.3 x 2.01 x
Lock Type
Combination
Material
Zinc
Special Feature
Resettable

🔒2in solid body strength

🔢4-digit customizable combo

🌧️weather-resistant durability

E£ 2720

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Description

🔐 Lock in your security, unlock your freedom.

ALL WEATHER READY - Engineered to withstand rain, sun, and snow—perfect for indoor and outdoor use.
TRUSTED LONGEVITY - Backed by Master Lock’s Limited Lifetime Warranty for peace of mind.
COMPACT POWERFUL - Sleek 2-inch wide design fits gym lockers, gates, and sheds without bulk.
PERSONALIZED ACCESS - Set your own 4-digit combination for effortless recall and maximum convenience.
UNBREAKABLE SECURITY - Solid zinc body with hardened steel shackle resists cutting and sawing for ultimate protection.

The Master Lock 178D is a versatile, weather-resistant combination padlock featuring a solid 2-inch zinc body and a hardened steel shackle. Its customizable 4-digit code offers thousands of unique combinations, making it ideal for gym lockers, gates, and sheds. Compact yet robust, it delivers reliable security backed by a Limited Lifetime Warranty from a trusted brand.

Specifications

ASIN	B0009V1WMA
Additional Features	Resettable Combination Lock
Best Sellers Rank	#6,786 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #34 in Combination Locks
Brand Name	Master Lock
Color	Black
Control Method	App
Controller Type	Hand Control
Customer Reviews	4.6 4.6 out of 5 stars (14,432)
Finish Types	Polished
Included Components	1 padlock
Item Dimensions	1.3 x 2.01 x 3.31 inches
Item Type Name	Set Your Own Combination Lock
Item Weight	4.8 ounces
Lock Type	Combination Lock
Manufacturer	Master Lock
Manufacturer Part Number	FBA_178D
Manufacturer Warranty Description	Limited Lifetime Warranty
Material Type	Zinc
Model Name	Set Your Own Combination Lock
Model Number	178D
Number of Items	1
Number of Packs	1
Number of Pieces	1, 4, 8
Recommended Uses For Product	Security
Shape	Square
Style Name	Set Your Own Combination, 1 Pack
UPC	354123436162
Unit Count	1 Count

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E£ 2720

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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