NCR-50KR-52-100R NCR-50KR-52-10R NCR-50KR-52-120R NCR-50KR-52-12R NCR-50KR-52-150R NCR-50KR-52-15R NCR-50KR-52-180R NCR-50KR-52-18R NCR-50KR-52-1K NCR-50KR-52-1K2