M4 T-Nuts Easy Assembly, roll in, ball/spring loaded, 10pcs or 50pcs

Tired of fiddling with those pesky T-Nuts? Get some roll in, spring loaded T-Nuts!

The spring loaded ball keeps them into place and they are always correctly positioned to ensure a tight connection. Can also be inserted into the profile after assembling a frame.

Available in quantities of 10 and 50 pieces.