Master Lock J4U00 - J4U99 Series Lock Code List
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What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
Lloyd
Jul 02, 2026
“Not a scam. Good to work with.”
Nichelle
Jul 02, 2026
“Thank you.”
Linda
Jul 02, 2026
“website is great-easy to find what i was looking for!
hope fulfillment is just as good.”
Severino
Jul 02, 2026
“ALWAYS THE EASY BUTTON!”
Sylvia
Jul 02, 2026
“Website is easy to use and locate what I am needing.
”
S.
Jul 02, 2026
“This is my first time ever ordering keys from this company let’s pray they work wonderfully thanks”
Pat
Jul 02, 2026
“My organization ordered this same key code CR034 last week sent to Elbert County CO.....the key did not fit/work in the cylinder? Why? So now going to try again. Do you garentee your keys/codes?”
Chris
Jul 01, 2026
“Fast and easy! Thanks!”
Jonathan
Jul 01, 2026
“If it works for the right key it’s great. Need to wait and see. ”
Florence
Jul 01, 2026
“This service was great.”
David
Jul 01, 2026
“Great place for getting replaced keys. ”
ROGER
Jul 01, 2026
“fairly easy”
Brien
Jul 01, 2026
“easy search, easy checkout, reasonable pricing, what else do you need!”
Barry
Jul 01, 2026
“We come back to Easy Keys again and again because it is so easy to use, prices are reasonable, and we have our keys/locks within a week (usually). ”
Christopher
Jul 01, 2026
“Very quick and easy process to order replacement keys.”
Delbert
Jun 30, 2026
“Nice”
Jeff
Jun 30, 2026
“Quick easy”
Anand
Jun 30, 2026
“Excellent website, very easy to us”
Jose
Jun 30, 2026
“Amazing service, amazing customer service and very fast delivery, 5 star all the way around.”
Everett
Jun 30, 2026
“Used live chat but is was not helpful”