uxcell 7mm Power Cable EMI Suppressor Ferrite Magnet Core Filter Clasp 20 Pcs Product Name : Ferrite Core Filter;Fit for Cable Diameter : 7mm/ 0.28" Each Size : 22 x 14mm/0.87" x 0.57" (L*D);Color : Black Material : Plastic, Magnet Net Weight : 119g Package Content : 20 Pcs x Ferrite Core Filters