Cupped-Reverse-Locking-Circuit-Board-Support-Round-Hole-Richco-CRLCBSR-12-01-These-snap-in-nylon-cupped-reverse-locking-circuit-board-supports-are-pushed-through-the-hole-in-the-panel-or-chassis-which-closes-&-snaps-open-on-the-opposite-side-to-give-a-mechanical-&-secure-lock-These-supports-are-manufactured-in-a-tough-natural-nylon-6-6-material-Cupped-Reverse-Locking-Circuit-Board-Support-Crlcbsr-12-01-Pack-of-25