Designed for use with the High Capacity Trimmer
Collet #1 fits .50-70 Government, .50-90-2 1/2-inch Sharps Straight, .56-50 Spencer, .
470 Nitro Express 3 1/4-inch, .500 Jeffery and .500 Nitro Express 3-inch
RCBS Case Trimmer Collets work like draw collets on a lathe. They secure cases for trimming to length. Work in RCBS Rotary Case Trimmer and Rotary Case Trimmer-2.
Holds the following: