Bosch reduction ring circular saw blades 30 x 20 x 1.8mm. Base blade thickness of 2.2 to 3.0mm. * Inside diameter: 20mm * Thickness: 1.8mm * Diameter: 30mm * Manufacturer's part no.: 2600100230 https://elecena.pl/product/27270989/bosch-2600100230-circular-saw-blade-reducer-odxidxt-30x20x1-8mm 2024-11-14 https://elecena.pl/product/27270989/bosch-2600100230-circular-saw-blade-reducer-odxidxt-30x20x1-8mm 2026-05-10