1/4" OD x 1" Zinc Plated Steel Slotted One-Way Screw Posts (4 pcs.)

Diameter: 1/4"
Length: 1"
Material: Steel
Finish: Zinc
Driver Type: One-way Slotted
Type: Binding Post
Application: Security

Box of 4.

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.