Black. Strong ABS plastic. Clamps to workbench, tool tray or anything that is made of metal and at the same time holds sockets firmly in place. With 2 rows of socket compartments, for both standard and extra long sockets. Socket holders will take both USA sizes and Metric sizes. With 2 x 11 socket compartments, up to 1" / 24mm with 1/2" drive.

Note: Does not include sockets.