Collet only for use with .17 caliber. To be used with item 64842. Pulls most lengths or shapes of bullet without damaging or distorting jacketed bullets. Standard puller's interchangeable collets tightly lock onto the bullet as the case is pulled away, just like a draw collet on a lathe. It utilizes the standard 7/8 -14 thread and may be used in any single stage reloading press having this thread size.