Neodymium magnets are brittle and can break or shatter if left to hit together. However, if used gently, these magnets will last a lifetime. Safety Warning: Very strong magnet. Keep out of reach of all children. This is not a toy. Do not ingest or inhale. Do not put in the nose or mouth. Swallowed magnets can stick to the intestines, causing serious injury or death. If a magnet is swallowed or inhaled, seek medical attention immediately. Shape: Block Neodymium MagnetMaterial : NdFeBGrade : N52Plating : Nickel Copper Nickel (Nickel) Color: Silver Quantity: 1pcs Size: 40 x 40 x 20mm (+/-0.05mm) Find a cheaper 40 x 40 x 20mm (-1.2mm) Maximum temperature (Celsius) : 80Application sound field: speakers, receivers, microphones, alarms, stage audio, car audio, etc. Electronic components: permanent magnet actuators, vacuum circuit breakers, magnetic relays, meters, meters, sound level meters, reed switches, sensors. Electrical field: VCM, CD/DVD-ROM, generators, motors, servo motors, micro motors, motors, vibration motors. Machinery and equipment: magnetic separation, magnetic cranes, magnetic machinery. Healthcare: MRI scanners, medical devices, magnetic therapy products, etc. Other industries: magnetized wax, pipe descaling, magnetic fixtures, automatic mahjong machines, magnetic locks, magnetic doors and windows, magnetic bags, leather magnetic toys, magnetic tools, gifts and packaging. Tips: 1. Strong magnets should be kept away from iron and some iron products that are easy to magnetize, such as monitors, bank cards, computers, TVs, mobile phones, etc. 2. Strong magnets should be stored in a dry and heated environment. And it needs to be separated and packaged with plastic, wood, cardboard, foam. 3. The magnet may affect the water meter, electricity meter, gas meter and some metering equipment There are some inaccurate effects (such as: If the magnet is placed near the water meter, the water meter will slow down) Note: Be careful of the fragile gripper, place it in a dry place, and store it at room temperature! WARNING: We do not recommend children under 5 years of age to use this magnet without supervision! Shipment: country Delivery time Weekdays (excluding holidays) 5-7 8-11 12-14 15-19 20-22 Weekdays + Saturday + Sunday 5-9 10-15 16-20 21-25 26-30 United States Price (item arrival) 5 .1% 50.1% 29.6% 10.5% 4.7% United Kingdom Price (item arrival) 9.9% 63.2% 19.1% 3.4% 4.4% Australia Price (item arrival) 21.4% 50.0% 14.3% 7.2% 7.1% France Price (item arrival) 10.5% 28.6% 43.8% 10.1% 7.0% Germany Price (item arrival) 11.1% 22.2% 30.3% 20.9% 15.5% Canada Price (item arrival) 0.0% 47.1% 31.4% 17.6% 3.9% Spain Price (item arrival) 3.5% 25.0% 47.9% 12.9% 10.7% Once full payment is made, the item will be shipped within 3 business days. If you are unable to receive your item in time, please contact us first, and we will check and solve it for you as soon as possible. We usually reply to your email within 24 hours. Sometimes there is a slight delay due to weekends or holidays. If you are still unable to receive an email from us after 48 hours, please check your spam folder or contact us using a different email address. Returns Warranty: Returns: If the item has a DOA (Death on Arrival), the buyer can return the item within 14 days, and we will replace it with a new item upon receipt of the DOA item. Please contact us before sending the item back Warranty: All items come with a 3 month basic seller warranty, if the item is defective within 3 months, we will provide a replacement of our extra charger after receiving the defective item (shipping cost included). If the item is defective after 3 months, the buyer can still send it back, we will contact the supplier or manufacturer for warranty, and the buyer may need to pay the shipping fee to resend the replacement item. Feedback: We maintain high standards of excellence and strive to achieve 100% customer satisfaction! Feedback is very important We ask that you contact us immediately before giving us neutral or negative feedback so that we can address your concerns satisfactorily. If we don't understand the problem, it is impossible to solve the problem!