This set contains: A-Steel/Stainless steel, D-Multi-filament Nylon/Aluminium, G-Multi-filament Nylon/Silver, C-Multi-filament Nylon/Silver. 
Larsen strings deliver a warm, direct and consistent sound. They are ideal for intermediate to advancing students, and for instruments in need of some complementary warmth. 

Features:

• A warm yet direct and unhesitating feel.
• Rapidly achieved tuning stability.
• Consistency of sound across all strings. 
• Original, reliable, robust projection
• Ideal for the brighter to neutral sound instrument in need of some complementary warmth.