Robinson Instruments are New Zealand’s leading, Automotive and Marine Instrument sales and service provider. The business has, over 25 years, established an enviable reputation for providing a broad range of instrument-related products and services to all facets of. Welcome to Norkro, a wholesale clock parts supplier! We have been keeping time since 1973, providing clock parts for all different types and brands. We serve our customers across the United States and internationally, shipping the parts you need for your clock to operate properly. You can ship your clock to us, and we will do the repair ourselves.