The Cheyenne Hawk Flex Grip allows you to use the Cheyenne needle cartridge system on most coil and rotary machines, speeding up your working process and reducing the necessity to have a multi machine set-up for each tattoo. Original Cheyenne Design Grip Ceramic detent sleeve Galvanized, ribbed outer surface. Adjustable needle depth Needle bar. Enables the use of Hawk needle cartridges on any machine-(These grips do not fit the Cheyenne machines or the Inkjecta Flite Combo machines.)