• Brand = Staedtler
• Model Number = 550 60 S8 ST
• Material = Plastic
• Pack of 1
• Manufacturer = Staedtler Mars GmBh & Co.
• Country of Origin = India
• Precision compass for the first circle-drawing exercises at school
• Big size protractor & set squares
• Maximum circle diameter approximately 300 mm

They can be considered as "Artist Grade" colored pencils, which means they are professional quality.

If you like Staedtler colored pencils, you can stick with them, but it doesn't hurt to try different types of colored pencils to see for yourself which ones you might like best.