This Heavy Duty Magnetic Stash Container will stick to any magnetic metal surface and will require quite some force to remove it. We've tested it and it will pick up metal objects weighing 20KG+ with ease. It is loaded with 3 extra strong magnets in a line with a sizeable stash compartment that screws off at both ends.
The stowaway stash is made with a solid metal casing and two solid screw lids so your contents will be very very safe. It stash compartment is 7cm in diameter x 13cm long.
A worthwhile investment for many static scenarios or discreet transportation.