Rangement Outils Atelier Mechanics Time Saver Lock A Socket Rails For Craftsman 311 334pc Tool Sets USA Organisation Atelier Garage 10 x 1/4D socket holders. 20 x 3/8D socket holders. LASTRAY38 - 3/8 Lock-a-Socket Tray™ – Mechanic's Time Savers Durable steel construction with top handle for carrying or wall hanging. Large socket tray also available, please see Laser Part No., 2664 (80 socket capacity). Small socket rail tray in red gloss finish for storing up to 40 sockets in the most popular drive sizes, 1/2D, 3/8D and 1/4D. Durable steel tray with red gloss finish., Size: 220 x 152mm.