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