Drum: 419mm
Inner arc: 194.6/189.1mm
Width: 177.8mm
Thinkness: 17.6/11.1-18.2/15.2

It fits for autocar brockway chevrolet truck. Gmc truck. International. Mack truck. Rockwell axle crown coach dodge truck. Freightliner. Hendrickson trailer. K-b axle. Kenworgh. Nack truck. Oshkoask. Peterbilt. Pike. Atrick. Timpte tiailmobile. White truck.

Specifications:
1. Noiseless, 100% asbestos free and excellent finishing.
2. Longlife time in toghest road condition.
3. Exceptional stopping power.
4. Lower dust level.
5. Works quietly.