One is 200 Grams and the other is 300 Grams. See photos of factory tool book page for details. These are used in conjunction with other tools. They are used and as pictured.
Alfa Romeo 164 FACTORY TOOL BOX / Carry Case wih TOOLS not Complete
Alfa Romeo C.6.0183 Factory Tool for Checking TDC 4 and 6 Cylinder Alfa Romeo
Alfa Romeo A.3.0329 Factory TOOL Driver Cup Rear Hub Inner Bearing/Front ALFETTA
Alfa Romeo GIULIETTA Giulia 2000 2600 FACTORY TOOL A.3.0116 Front Wheel Bearing
Alfa Romeo C.6.0122 Factory Tool for Checking TDC 4 Cylinder and MONTREAL
Alfa Romeo A.3.0462 Factory Tool DRIVER of EXHAUST SEATS Tool ALFETTA
