Pearl's free-floating snare drum. 3.5 inches. Rust is visible on the shell and bolts. It has a fast response and a more cohesive sound than a brass shell. I used to play it in hip-hop, soul, and R&B, using a mute to get a tight tone. Pearl Copper Shell snare drum, equipped with MasterCast Hoops. - Brand: Pearl - Model Name: Copper Shell - Hoop Type: MasterCast Hoop Thank you for looking.