This is our new package ---Round Steel Box with Window for the magnetic ball The following is the details for the package :
Size : D90*60mm
Weight : 170g/set : with one set magnetic ball in it )
We could print the logo for you according to your request .
We could produce the magnet ball according to your request:
Grade: From N35-N42
Coated color: Gold, Siliver, Nickel, Black and so on .
Tolerance : ±0.025mm ,±0.01mm