Cannot be used on glass boards as it is not made of neodymium and therefore not strong enough

This ring magnet has a carrying capacity of 14 kg

Model: Rainball Magnets

Hang it on screws or with magnetic hooks (not included in this set)

CUBE power magneter 8x8x8 mm., 6-pak sølv BF Tier1 Cannot be used on glassStrong magnets for glass boards etc. Giftbox with 6 pcs. super strong cube shaped magnets in size 8x8x8 mm. The silver colored magnets give a very stylish look on a white surface. SPECIFICATIONS Height: 0. 8 cm. Length: 0. 8 cm Width: 0. 8 cm. Strength: approx. 1. 5 kg. Material: NdFeB We normally recommend +2 kg. in strength for glass boards. But if you only need to hang a single piece of paper, it is possible to use these magnets for glass boards.