Features: *Magnetic Ring:This product features a breakthrough industrial design with an upgraded double-bayonet shielded magnetic ring. *Enhanced Signal Transmission:Not only reduces signal interference but also enhances signal transmission, resulting in improved audio and video quality. *Easy Installation:Equipped with a spring plate, the snap-on magnetic ring allows for easy installation without worrying about locking the wire. * Shell:The ring's shell is made of wear-resistant and corrosion-resistant material, ensuring durability even in high-temperature environments. *Various sizes for compatibility: This product is available in 7mm, 9mm, 11mm, and 13mm sizes, ensuring compatibility with different devices and wires. *Ample quantity in each package: Each package contains 5 pieces of magnetic rings, providing sufficient quantity for your needs without the need for additional purchases. Specifications: *Part Name:EMC Demagnet Filter *Material:Nickel Zinc Ferrite *Size:Approx.7mm, 9mm, 11mm, 13mm(Overall Length*Overall Dia.*Core Dia.) 7mm:18*15.5*7mm 9mm:31.5*20*9mm 11mm:32*20*11mm 13mm:34*30*13mm *Color:Black Package Content: 5 * EMC Demagnet Filters Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 5Ps Anti-Interference Snap For Ferrite Cable Core Choke Clip Emc Demagnet Filter Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you.