Add some colour to your RAM® X-Grip® phone or tablet holder. The RAP-UN-CAP-4-BLUEU consists of four blue post caps that fit all versions of the RAM® X-Grip®. Optional super glue is included to offer extra security for these rubber cap accessories. Material: Rubber Note: The "U" in the part number reflects product packaged in poly bag. Includes four blue rubber post caps to keep your device secure when mounted in the RAM X-Grip phone or tablet holder. Compatible with all versions of the RAM X-Grip Made of rubber; super glue included.