but if it's a bigger thing where we have to make calculations and help with testing

The round notch will assist you in removing smaller disc magnets and bar magnets

To address this concern

Kendt som CORK DISC magnets fra det anerkendte designbrand Trendform

Køb et magnetisk DK skilt til bilen og undgå at skulle sætte klistermærker på din bil

MIAV kattemagneter, 5-pak - køleskabsmagneter Auto-translated (NO) but if it's a biggerBlack cat magnets for the fridge. The perfect gift for cat lovers. We deliver all Trendform magnets in beautiful transparent gift boxes. Made with strong neodymium magnets on the back. Can easily hold 3 4 pcs. of paper on the fridge. Strength: approx. 0. 5 kg. Size: approx. 31 x 29 mm. Producer: Trendform. Art. no.: FA4583 Trendform MEOW. NB! Not for small children it is dangerous to swallow magnets.