[Blossom] T157-2 Iron Ferrite Toroid Cores 40x24x14.5 mm For Inductors Iron powder Core Red Ring Low permeability

Model: T157-2. Material: Iron. Color: Red Grey. External Diameter: approx. 40mm. Inside Diameter: approx. 24mm. Thickness: approx. 14.5mm. Inductance coefficient: AL 14nH N2. Permeability: 10 o approx. Reminder: 1 Magnetic rings are sold according to size, unit mm mm), tolerance: 0-2mm. 2 According to the size of the product description on the page, please don't just imagine buying out of thin air. If you don't understand, you can consult the customer service. 3 The magnetic ring is fragile. Be careful when using it. If you have any problems, please contact us for treatment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you. Model: T157-2. Material: Iron. Color: Red Grey. External Diameter: approx. 40mm. Inside Diameter: approx. 24mm. Thickness: approx. 14.5mm. Inductance coefficient: AL 14nH N2. Permeability: 10 o approx. Reminder: 1 Magnetic rings are sold according to size, unit mm mm), tolerance: 0-2mm. 2 According