Careful SCRC Snap Ferrite Daily Use Kit 3.5.7.9mm 1‑300MHz Interference Reduction Careful SCRC Multi-Parameter Snap Ferrite Kit with 3-9mm ID for 1-300MHz EMI Filtering in Thick PP Box. Compliant with RoHS and REACH standards. Product Highlights 25+ Years of Expertise: Comprehensive mould library for various SCRC Type Core sizes and types with flexible dimensional and material requirements Factory-Direct Pricing: Substantial cost advantage with true factory prices and