Description Just like their namesake, Gibraltar products are known for their unwavering reliability. They’ve stood the test of time, and they’ll do the same for you on the road! So, if you’re in the market for rock-solid hardware and dependable accessories for your drum kit, join the ranks of many other GN Music drummers and trust Gibraltar. This Gibraltar Flat Hi-hat Cup Washer is designed to fit around standard-sized hi-hat pull rods, resting on the cup seat to provide years of reliable support for your cymbal felts.