magpross 15 Pieces 20 x 2mm Round Disc Small Multi-use Refrigerator Magnets for Refrigerator Science Crafts Projects Science Education Magnetism Kits

Description

15PCs 20mm x 2mm magnets Use:1.speakers, receivers, microphones, alarms, stage sounds, car stereos, etc.2.Electronic appliances: Magnetic circuit vacuum circuit breakers, magnetic holding relays, power met3.Service motors, micro-motors, motors, vibration motors, etc.4.Mechanical equipment: Magnetic separation, magnetic separator, magnetic suspension, magnetic machine5.Other industries: magnetized wax guards, pipe cleaners, magnetic clamps, automatic mahjong machines,