PINHEAD RBA MTL Kit by VOODOOLL VOODOOLL has such sights to show you! This is the MTL Kit for the Pinhead RBA, created in Italy by VOODOOLL.  This MTL kit includes 4x airflow pins (0.8, 1.0, 1.2, 1.6) and 1x cap. This is a perfect option for those who prefer a MTL experience with the Pinhead RBA! Includes: 4x Airflow Pins (0.8, 1.0, 1.2, 1.6)1x Cap Made in Italy RBA not included. Airflow pins and cap only.  Rebuildable atomizers are for experienced users only.