Hi 
A friend of mine used some G3 to remove some scratches on my car (worked really well). I decided to buy some as it seemed good stuff but when it arrived I noticed I'd bought some G4 lol. Is this stuff stronger than G3? Is it safe to use by hand?
Thnaks
Alex
A friend of mine used some G3 to remove some scratches on my car (worked really well). I decided to buy some as it seemed good stuff but when it arrived I noticed I'd bought some G4 lol. Is this stuff stronger than G3? Is it safe to use by hand?
Thnaks
Alex