Professor Motor PMTR1030 Neodymium traction magnet 25 x 8 x 1mm.
Professor Motor Neodymium traction magnet - thin enough for under chassis mounting on most 1/32 cars - ultra strong material is particularly effective even though very thin when mounted under the chassis close to the track rails - 24 Karat Gold finish - 25 x 8 x 1mm (0.98 x 0.31 x 0.04inches).
SAFETY WARNING! - These small magnets are very powerful and can cause serious injury or death if swallowed - keep away from small children and pets.