HKS(R) 10-A Series Speedloader is a 6-round revolver loading accessory designed for compatible .38 Special and .357 Magnum revolvers. The speedloader holds six cartridges together and uses HKS's twist-knob release system to load compatible revolver cylinders efficiently. Its durable black construction provides a compact and reusable design for compatible revolver applications.Key Features 6-round cartridge capacity Compatible with .38 Special and .357 Magnum 10-A Series configuration Twist-knob cartridge release system Designed for compatible 6-shot revolvers Black finishHKS(R) manufactures speedloaders and firearm accessories for a variety of revolver platforms. The company produces purpose-built loading accessories designed around specific cylinder configurations and calibers. HKS products emphasize straightforward operation compatibility and reusable construction.