The Zeta6 K-clip 6 Shot Speedloader is designed for optimal performance with various .38/357 caliber revolvers accommodating .357 to .359 calibers. This pack includes two speedloaders each with the capacity to hold six rounds ensuring quick and efficient reloading during competitive shooting or personal defense scenarios. Compatible with a wide range of revolver makes and models including Colt D Frames Dan Wesson K Frames Kimber K6S Rock Island M206 Rossi K Frames Ruger (Security Six Service Six Speed Six) Smith & Wesson (models 10 11) and Taurus (models 606 65 669 689 80 82 856). This speedloader is ideal for revolver enthusiasts seeking reliability and speed in high-pressure situations.