Self-Adhesive Magnetic Sheeting - 0.8mm x 620mm | 10m ROLL L_12mm It is identified by the

It is identified by the AMF magnet part number B-W25

Although it has dimensions that are bordering on those of both disc and cylinder shapes

not just in fairy tales

That is why they employ architects and tradespeople who use these 48mmx11

If you like self-adhesive magnetic sheets this is a riveting read

Self-Adhesive Magnetic Sheeting - 0.8mm x 620mm | 10m ROLL L_12mm It is identified by theMagnetic Product Description: This self adhesive magnetic sheeting roll has a width of 620mm and a thickness of 0. 8mm. The roll comes in a length of 10 metres. Adhesive side is non magnetic. Constructed from Strontium or Barium ferrite powder within a polymer matrix, this self adhesive magnetic sheeting is manufactured to provide good demagnetisation resistance & reasonable resistance to chemical agents. Identified by the AMF Magnets part number