One set of 2 new friction disc (clutch disc) for Eurocardan PTO clutches. It also also fit many other makes of PTO shafts clutches. 

Outside Diameter: 5-1/2" (140mm)

Inside Diameter: 3.38" (85.7mm)

Thickness: 1/8" (3.2mm)

Part Number: 1805010

OEM 19-414