Careful SCRC Assorted Snap Ferrite Set Complete snap ferrite core assortment with 3-13mm ID cores for testing, featuring thick PP case protection for USB data lines. Fully compliant with RoHS and REACH standards. Product Highlights Multi-ID Combination: Includes five inner diameters (3, 5, 7, 9, and 13mm) to fit both slim USB leads and thick power cables, providing comprehensive EMI suppression across electronic devices. Multi-Parameter Cores: Assortment features varied