Power Tools
Trend CRAFTPRO Saw Blade Bushing / Reducing Washer
Craft Pro 30mm to 25.4mm reducing bush - for saw blades 1.7mm thick 30mm outside diameter reducing washer with 25.4mm/1in internal bore. Allows 30mm bore blades with 1.7mm thick plates to be fitted to compatible saws with imperial sized spindle arbors....
https://www.bizrate.co.uk/powertools/trend-craftpro-saw-blade-bushing-oid24215133679.html