Organize your sockets for quick, easy identification by size and style See which socket is missing at a glance Each post is marked for socket size Each tray holds from 26 to 34 Standard and deep sockets Made of tough ABS plastic that resists oil & grease Fit most U.S. and foreign made sockets Fit most standard tool boxes Made in the U.S.A. Pictured sockets are not included; each sold separately Other Available Size Socket Holders Sold Separately: HNE1201 - 1/2" Dr. SAE HNE1202 - 1/2" Dr. Metric HNE1401 - 1/4" Dr. SAE HNE1402 - 1/4" Dr. Metric. HNE3801 - 3/8" Dr. SAE. HNE3802 - 3/8" Dr. Metric