8 Pack, Satin nickel shelf support pegs are constructed from heavyduty steel They are designed to fit into 5 mm 316 in diameter holes, making them perfect for most metrically sized imported cabinets and bookshelves Each peg has a 25 lb maximum safe load Can be used for many heavierduty applications such as in furniture with glass shelves Shelf support pegs are easy to install and are used by a variety of manufacturers