The Zildjian K Custom Session Hi-Hat Cymbals were designed with Steve Gadd and feature his distinctive cymbal sound. Steve worked with the Zildjian Sound Lab for several years to reproduce the classic and sought-after sound of his cymbals. The resulting hi-hats feature a 13-15/16" medium-weight top, 14" medium-thin bottom, and have a sharp, defined "chick." Like Gadd himself, the K Custom Session cymbals are versatile enough for any playing and recording situation.