Hornady

Neck Wall Thickness Gauge - COMES WITH THESE TRIMMER PILOTS: - 1- 22 cal - .224 - 3- 6mm .243 - 4- 25 cal .257 - 5- 6.5mm .264 - 6- 270 cal .277 - 7- 7mm .284 - 9- 30 cal .308 - 13- 338 cal .338 - 15- 35 cal .358 - 19- 45 cal .452