CONTROL OF ENDS ALLOWS NO HALF MEASURES... For complete control of production of ends many items shall be measured and evaluated; Curled Diameter and Height, Countersink etc. Production of clinched end, rings and all kinds of easy opening ends demands even more. METOP has a wide range of equipment for adequate quality control of ends. Our score measuring microscope has become a standard instrument for score residual measurement. Recently introduced new instruments for quality control of ends have met great interest from start.