Six 30mm Matrix seat box inserts. Total length is 42mm the total diameter is 34mm and the important bit ,the aperture is 30mm. No faults or damage just unused. Will come in the 125mm x 95mm x 45mm container in the photos. If you can use them don’t pay silly new prices,all six for £15 and I’ll cover the postage costs too,thanks for reading my ad.
eBay