The 4ml polyethylene vial with lined cap, bag of 240, for use with 3/8” SS grinding ball (IPD9600-4PE) is a tube roller, rotator and rocker supplied for laboratory and research use in Riyadh, Dammam, Dhahran, Jubail, Al Khobar, Jeddah, Makkah, Yanbu and Jazan across Saudi Arabia.