The Hornady Cam-Lock Bullet Puller is one of the fastest and easiest ways to pull bullets with a reloading press. Collets are the part of the system that clamp to the bullet so it can be removed quickly and easily. Features: Works with Hornady Cam lock bullet puller Standard size collets Made in the USA Fits: Hornady Cam-Lock Bullet Puller (Item HORN-050095) Function: Diameter Specific Collet (size located in description)