The RCBS Pow'r Pull Standard Chuck Assembly is an essential component designed specifically for use with the RCBS Pow'r Pull bullet puller system.RCBS Pow'r Pull Standard Chuck AssemblyCompatible with RCBS Pow'r Pull bullet pullerAccommodates a wide range of cartridge casesSecure case-holding design for safe operationPart of RCBS precision reloading systemThis chuck assembly provides reliable case retention during bullet pulling operations making it an indispensable accessory for reloaders who need to disassemble cartridges safely and efficiently.