Transmart tape wound cores for current transformers and voltage transformers with the following materials:Grain oriented silicon steels: Thickness of 0.05mm, 0.08mm, 0.10mm, 0.20mm, 0.23mm, 0.27mm, 0.30mm and 0.35mm. Material width 5mm minimum.VARIOUS SHAPE CORES AVAILABLEToroidal core, oval core, rectangular core, cross-section core C cut core, Gap core.Please visit our website for further information about our company. Homepage: www.transmart.netFOLLOW ME:Check my website: https://www.transmartcore.comFacebook: https://www.facebook.com/Transmart.Ind.LtdYoutube: https://www.youtube.com/@TransmartIndustrialLtdLinkedIn: https://www.linkedin.com/company/transmart-industrial-limited/Instagram: https://www.instagram.com/transmart307/Pinterest: https://www.pinterest.com/transmart307/X(Twitter): https://x.com/TRANSMART307Tiktok: https://www.tiktok.com/@tst180307Contact us today to learn more. Email: sales@transmart.net / richard@transmart.netWhatsapp: +86 136 2868 9494