Swedish-made in very high quality and sold in pairs, corresponds to Husqvarna original number: M-12664
Thickness of all three together about 20mm.
Width about 24 mm.
Outer diameter if you hold it round about 80 mm.
Inner length if you take out the innermost ring and press the two outer ones together about 80 mm.
Should fit the following models, but check the dimensions before ordering:
282 - Silverpil
283 - Guldpil