This stabilizers are only stabilizers which is directly mounted on Plate.The wire middle part are not spring up as other costar stabilizers used on CM Filco,but it can be used surely,we have sold thousands of it per month to our agent,nobody said it can't be used.If you don't know how to use it,pls inquire us,don't leave negative feedback without responsibility.If it's stuck with little keyboard,we can tell you how to solve it as well.
All our GH60 Kit HHKB Kit are using this stabilizers,so just feel free to use it.
If you have problem to install Costar stabilizers,pls inquire us or check on website.It's a littler harder than Cherry style stabilizers,however the clicking sense is better as usual,especially for Spacebar.
About shipping,the separate 2u 6.25u Set is shipped via Ordinary mail as default whose tracking info is not complete except you choose post registered mail,the shipping time is the same.For the Kit 1 2,it's all shipped via registered mail as defaulted,you don't need to pay for registered mail again.
A set means 1 wire and 2 plastic part which can be used for 1 big key.
2u set is a 2u wire and 2 plastic part which can be used for big key
6 25u set is a 6 25u wire and 2 plastic part which can be used for Space
Kit 1 is 1x6.25+4x2u Set which can be used for GH60 87 Tenkeyless Keyboard
Kit 2 is 1x6.25+7x2u Set which is used for 96 104
Kit 3 is 1x7u+4x2u Set
If you want 7u Costar set,pls leave inquire us.