제조사 홈페이지 참조  

Warmth. Aggression. Clarity.
Presenting a classic pairing of hihats with more volume potential
and faster response time than any hats ever before,
the new 15" hats will easily fit into any hard rocker's cymbal setup.
These hihats also feature a medium top coupled
with a heavy bottom for extra power.   

Category: A Zildjian Series
SKU: A0156
Type: HiHat
Size: 15 in. / 38.1 cm.
Weight: Medium Top / Heavy Bottom
Finish: Brilliant Finish
Bell Size: Small
Profile: Medium
Pitch: Mid to High
Sound: Solid Chick
Volume: Loud
Balance: Cut
Sustain: Medium
Skill level: Advanced, Beginner, Intermediate, Professional