ARB's new CKMTA12 and CKMTA24 twin on-board compressor kits were designed to fill the market need for a compact sized yet high-volume compressed air source to suit the high volume airflow needs of most air powered tools, and also to suit the actuation and control needs of the ARB Air Locker(TM) , and the harsh and demanding environment of the ARB Air Locker(TM) user.