R8 and R8+ Roller Inserts R8 and R8+ Roller Inserts from Samuel Wu R8 and R8+ Roller Inserts Product development and packaging design.Currently selling at various retail and online stores. View Website gLike R8 and R8+ Roller Inserts Product development and packaging design.Currently selling at various retail and online stores. View Website Industrial Design Share R 7 n Available Freelance Samuel Wu Industrial Designer Chino Hills, CA Follow Contact