Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: Does this really have 4 in a pack?  It's not just one hanger??
Document: These safety picture/mirror hooks (4/pack) are just what is needed if you live in the land of shake, rattle and roll! :-)  Recommended.
Great product...as easy to use as the ordinary picture hook. It is not meant to be visible so one needs to ensure two inches of space between the top of the picture's frame and the wire hanger. This is a reasonably priced product compared with some other quake-proof hooks, and I am very happy with the design. I learned about these hooks from the fabulous custom framer that I use in Berkeley, CA (Storey Framing).
Haven't had any quakes to really test it yet, but it holds when the cats bump against items.
This is one of those products that you buy when you live in Earthquake Country. You hope you don't have an earthquake that requires this type of product. BUT, if one happens, it's nice knowing that my large framed artwork pieces with glass are more secure.
After visitng the Earthquake show at the California Academy of Sciences, I realized that I should secure my many paintings, some with glass. I ordered Quakehold fixtures from Amazon. They were very easy to install, and I secured 17 pictures in my house, and 4 in my friend's house. It is quite easy to remove the pictures from the Quakehold if necessary -- lift the picture wire up, in, up, out.
We use this hook to hold an heirloom painting on the wall -- it is easy to mount on the wall and when you put a picture wire in it, it won't come out unless you want it to. It only works with frames held up with wire, it doesn't work on fames that have a hole or slot you put on over a nail. When you want to take down the picture, it's easy to lift the frame and guide the wire a couple of turns through the maze.
These quake Picture Holders Are FantasticEven If YouDon't Live In Earthquake Country. We Live On The East Coast And i Use These For Hanging Heavy Objects Such As My Grandmothers Mirror That Weighs About 30 Pounds And Means Alot To The Family. Anything That Is On The Heavy Side Or You Don't Want To Fall i Would Definitely use These Over And Above a Regular Molley.
No felt earthquakes lately but the Quakehold hangers are very substantial as are the included mounting screws. I have enough faith in the design that I've used the hangers for the artwork that hangs over our heads when we're in bed.Overall I was pleased with the Amazon.com purchasing experience, Thanks.
If you live in California you need to buy these.When installed correctly they hold picture frames to the wall.In case of an earthquake they flip and flop but pictures don't fall which in insurance for less broken glass to step on in case of emergency. I think these are great and they are invisible behind the pictures.
I'm very happy with the picture hooks. Since we live in the ring of fire (Hawai'i) I'm sure someday we will need the protection the picture hooks give us.
Answer: yes