You should focus on your work instead of looking for small things that are hard to find. All Screws and springs were sorted in a separate box, They are in order,12 types,288pcs total. The label on the box show where they should be installed, you don't have to take any time to identify these very similar looking guys. They are precisely machined on a machine tool to fit your guitar perfectly. Whether guitar repairing or DIY, this kit will greatly improve efficiency, To all guitarists and luthiers. What is important about guitar screw?
My answer is: Sturdy,Precise and Beautiful.
Yes, All of our screws Made of 304 stainless steel, They are sturdy.
Processed by High-precision machine tool, They are precise.
Excellent electroplating process, They are beautiful and rust-prevent.
The label on the box show where they should be installed, Skip the process of identifying these similar guys.

The 12 Types(288pcs Total) as follow:
1.For Selector Switch(20pcs).
2.For Tuner(50pcs).
3.For Neck Plate(12pcs).
4.For Guitar Pickguard(50pcs).
5.For Strap button(4pcs).
6.For Humbucker Pickup(10set, screws & spring per 10).
7.For Tele Bridge(10pcs).
8.Singlecoil pickup(10set,screws & spring per 10).
9.For pickup ring(20pcs).
10.For Strat Bridge(12pcs).
11.For Gibson Pickguard(50pcs).
12.For Bridge Height(20pcs).
These rich contents determine its wide applicability.

Should all of the 12 types screws fit for my guitar?
There are so many brands of guitars, we can only provide some of the most commonly used sizes.
We can guarantee that it fits most electric guitars, but not all.
Suggestion comes from us:
For most Fender electric guitars, all of 10 types should fit, we recommended this kit.
For Gibson LP, Epiphone Series, May not get full marks, but should still 5+ types screws suitable, please decide for yourself.
For Other brand, we can't give advice on adaptation, please decide for yourself.