These were the wrong size so I had to reorder Which I am waiting for and I have to get 40 which is 20 prs

#6 $ pour des petits morceaux de plastique c'est scandaleux, c'est approximativement le même prix qu'un kit de poteaux :-(

With the shelving unit you need 16 pairs for 4 shelves.

These shelves can hold a surprising load

1-INCH SLIP-SLEEVES (8 PAIRS)