Attributes . 3/8" Power Pegs Assist in Holding Sockets to A Magnetic Socket Strip, Socket Caddy or Power Mat: Mix and Match to Customize Storage Requirements for Sockets In A Tool Chest Drawer: Compatible with All Standard and Metric Drive Sizes Up to 1/2": Constructed of 100% Steel with No Magnetizing of Tools or Sockets when Stored: The bottom of the Peg That Inserts Into the Socket Isn't Magnetic . Names