The Powerstroke? P4 Coated Top Clear Dot drumheads feature controlled sustain and focused low-end tones with increased durability. Constructed with 2-plies of 7-mil Coated film and a 3-mil inlay ring with a 5-mil Top Clear Dot, Powerstroke? P4 Coated Top Clear Dot drumheads are the warmest- sounding of Remo's 2-ply Clear drumheads with an accentuated attack. Available in sizes 10" - 18"."