Evans EC1 Reverse Dot Snare Batter Drum Head, 13 inch 13" snare batter drum head made using a single ply of 14mil film with a reversed dot lending extra durability, focus and attack in the center Edge Control technology pre-EQs the sound, removing troublesome mid-range overtones that muddy the snare drum's sound The Reverse dot is mounted on the underside of the head and lends to extra durability, focus and attack in the center Also available in 2-ply versions with and without the reverse dot All Evans drum heads are designed, engineered and manufactured in the USA