The Idler Wheel includes also 3 plastic washers.
This kind of Idler Wheel will fit to the Dual turntables with the following model numbers:
Dual 1009, 1009 SK, 1010 S, 1015 (not 1015 F and 1015 S), 1019 etc.
Diameter of the rubber wheel: 45 mm
Length of the shaft: 18 mm
Diameter of the shaft: 10 mm