3mm Shelf Studs Supports for 3mmØ Holes Choose type Quantity IKEA Billy Bookcase | eBay
IKEA BILLY BOOKCASE 131372 SHELF SUPPORT FIXINGS BRAND NEW ORIGINAL PARTS X4 | eBay
Shelf Support Peg,6mm L-Shaped Support,Cabinet Shelf Bracket Peg,for Kitchen Furniture Book Shelves Supplies,50pcs - Walmart.com
Amazon.com: ReplacementScrews Shelf Support Pins/Pegs/Holders Compatible with IKEA Part 106414 (HEMNES, HAVSTA) (Pack of 4) : Home & Kitchen
Amazon.com: [50 Pack] 3mm Impresa Metal Shelf Pegs for IKEA Billy Shelf Pins (Part #131372) - Replacement Cabinet Shelf Pegs for a Variety of Furniture Models - Heavy-Duty Shelf Support Pegs -