AircraftTungsten.com - 3 Repalcement Jaws for Pneumatic Pop Rivet Gun
 
Please ensure you check repalcement jaw dimensions againts your old jaws to ensure compatibility. 
 
Jaw Measurements can be seen in product images and found below in itrem description.
 
Contents: 

- 3 Replacement Jaws
 
Dimensions
 
Length - 13.3mm
Width 1 - 6.4mm
Width 2 - 8.4mm