National Hardware 158 Shelf Support, Specifications: 0.14 in Dia Hole, 0.05 in Thickness, 25 lb Weight, Steel, White, Suitable for: National #157 Shelf Standards
Fits a 5 mm Dia hole (3/16 in). Has plastic seat with metal peg provides added strength. Metrically sized for most imported cabinet and bookshelves. 15 lb maximum safe load per peg.
The U 10165 is a shelf support peg, with a 5 mm diameter. Steel plated construction, used by many cabinet manufacturers. 25 lb maximum safe load per peg.
The U 10156 is a plastic shelf support peg with a 3 mm diameter steel peg, to provide extra strength when needed. Used by many cabinet manufacturers. 10 lb maximum safe load per peg.