Want the perfect blend of silky smooth and heady hits Mix them up in the GRAV Martini Shaker. A simple, fixed fission downstem leaves room for plenty of water, ice chips, and bubbles. Chug it or sip it, this piece packs a punch. Part of the new GRAV sip series. Stands 7.5" tall 14mm female joint. Comes with a 14mm cup bowl. Features a fixed fission downstem