
I needed a 2mm to 3mm ball bearing to fit a pair of Black and Decker screwdrivers but couldn't figure out the exact size. Instead of guessing, I bought this set because they came in a lot of different sizes. As it turned out I needed two different size bearings (2.5 and 3) so this kit satisfied me. And now I have backup for the future. Very happy.

Linear Clamping Support Bearing by Sydien
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