Specification: This is 10 hole harmonica, two sides, two tones, C tune & G tune, with EASTTOP br&. This is advance harmonica for professional performance. It made in copper board, stainless steel shell with plastic box. Holes: 10 Reeds: Phosphor Bronze, Copper Cover Plates: Stainless Steel Comb: Plastic Resin Key: C, GWhats in the box: Plastic Box Net Dimensions: 100*50*20mm Net Weight: 140g Package Included:1x EASTTOP T10-2 Harmonica