Heavy-duty, - material, thicker than cheap plastic pins Simply push into pre-drilled holes-no screws or tools needed! Reorganize shelves instantly without hassle Replacement for Part #131372 (fits 2013+ models). NOT compatible with the old pin #121762 Works with bookcases, cabinets, wardrobes, and nightstands-ideal for DIY upgrades. Zinc-plated steel ensures no rust and no bending Need just 4 pins for a bookcase. Keep the rest as backups! Perfect for home, office, or rental furniture repairs, Weight: 0.10582188576 pounds, Manufacturer: Hipzeepo