These shelf pegs are made of durable plastic and come in a brown color, with a 5 mm outside diameter and a 1/4-inch depth, designed to support shelving with a maximum weight capacity of 5 pounds per peg. The pegs feature a serrated design for secure installation and have a 1/2-inch reach, making them easy to install and reliable for holding shelves. Sold in a convenient 12-pack, these pegs are an ideal choice for shelving systems.