Bosch reduction ring circular saw blades 25.4 x 20 x 1.8mm. Base blade thickness of 2.2 to 3.0mm. * Inside diameter: 20mm * Thickness: 1.8mm * Diameter: 25.4mm * Manufacturer's part no.: 2600100228 https://elecena.pl/product/27270990/bosch-2600100228-circular-saw-blade-reducer-odxidxt-25-4x20x1-8mm 2024-11-14 https://elecena.pl/product/27270990/bosch-2600100228-circular-saw-blade-reducer-odxidxt-25-4x20x1-8mm 2026-05-10 https://elecena.pl/product/27270990/bosch-2600100228-circular-saw-blade-reducer-odxidxt-25-4x20x1-8mm 2026-06-23 https://elecena.pl/product/27270990/bosch-2600100228-circular-saw-blade-reducer-odxidxt-25-4x20x1-8mm 2026-07-16