10-24 x 1/2" Black Nylon Plastic Post Extensions (20 pcs.)

Diameter: #10
Length: 1/2"
Material: Nylon
Finish: Black
Head Style: Binding (Slotted)
Thread Size: 24 (Coarse)
Type: Binding Post

Box of 20.

Binding posts are similar to architectural bolts in that they are designed to be assembled from one side, but they have teeth on the flanged surface to keep them fixed.