Set 4 x RKCF-10-A5. Richco Spalthülse Ferritkern 10 mm (4er Set Hülsen)
Richco Split Sleeve Ferrite Core 10mm (for a set of 4 sleeves). SPLIT SLEEVE FERRITE CORE 10MM. Split sleeve ferrite used as a suppression core for round cable. This is for 4 (four) sleeves.