Original case trimmer kit is the old standby for most calibers with bullet diameters from.171 to.459.This item combines the original case trimmer in an affordable package along with a selection of collets and pilots to satisfy the needs of most rifle handloaders: collet #1 ct2001 collet #2 ct2002 collet #3 ct2003 pilot #22 ct1022pilot #24 ct1024 pilot #25 ct1025 pilot #26 ct1026 pilot #27 ct1027pilot #28 ct1028 pilot #30 ct1030Caliber: .171" to .459"Includes: 7 Pilots & 3 Collets