Both, the Hydraulic and UV1 series, are representations of great innovation. With the Evans™ Hydraulic™ Series, you are getting a 2-ply 7mil film that produces maxium durability with a Fat, deep and short sound, a tone familiar to early 70's rock and roll. To add just a bit more, it is bundled with Evans UV1 series, a 10 mil, single-ply head, known for its durabilty and agressive response. Features: Two plies of 7mil film Evans™ Hydraulic™ 10-mil single-ply Evans™ UV1 Maximum durability Fat, deep and short sound Early 70's rock and roll sound 14" UV1 Snare Batter Head Exclusive Level 360 Technology Tom Pack Options: Rock: 10" Hydraulic Red Drum Head 12" Hydraulic Red Drum Head 16" Hydraulic Red Drum Head 14" UV1 Coated Drum Head Evans Hydraulics Series: Hydraulics are famously easy to tune, making them a perfect fix for troublesome drums and players with little tuning experience. Evans UV1 Series: UV1 heads are designed for the widest range of sonic possibilities while remaining the most durable single-ply drumhead available. Get your Evans Hydraulic Red Tom Pack with Coated 14" UV1 today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.