1)108 type side locks 2)Size of lock,D16.5*L20 or D19*L20mm 3)Thickness of alu bars,1.8mm,2.0mm ... or 2.4mm 108 three unit side type drawer lock1)Item no ... ,D16.5*L20 or D19*L20mm4)Thickness of alu bars,1.8mm,2.0mm or 2.4mm5)Different finish,chrome plated ...