Shelf Supports Magic Wire

Magic shelf wire - 3mm diameter zinc plated rods which push fit into pre-drilled holes in carcass. The shelf is slotted to slide over the magic wires

Wall Shelves - IKEA

Magic Wire - Richelieu Hardware

Shelf brackets, Shelf supports

Furniture & Living Solutions / Shelf Supports & Brackets - in the Häfele America Shop

Complete Shelf Magic Shelf Support System

Selby CNX520-6-1/4, 1/8 Bore, Metal Shelf Support, 6-1/4 L Wire, 50-Pack

CNC Wireforming - Park Manufacturing

7-3/4 long

Magic Wire Support for 1/8 holes

Impressive INVISIBLE Floating Shelf Support Bracket, Woodworking Project