Features: ABS plastic sleeve. There are 6 for a total of 2 for 1/4 inch, 2 for 3/8 inch and 2 for 1/2 inch drive slot. Red and blue make it easy to tell the difference between SAE and metric sleeves. Spring ball bearings on each clip make the bushing strong and safe. Removable end cap, easy to add or remove clips. Organize your tool kit, install it vertically or horizontally on the wall, or store it in a drawer. Specification: Material: Plastic Weight: 740g Size: 375mm/15 inPackage: 1 Set x Slot Organizer Note: 1. Please allow 1-2cm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.