Henderson Precision Case Trimmer Collet 350, 418, and 506 Diameter

The Henderson Precision Case Trimmer Collet steps ensure that the case head is firmly seated in the Collet, even when there is case rim diameter variation. The tapered design ensures that the Collet securely closes on the case.Collet Fit List: Collet #1 - (.379, .473 & .532 Dia)222 Rem. Mag, 223 Rem, 225 Win, 22-250, 220 Swift, 243 Win, 6mm Dasher, 6x47 Lapua, 6XC, 244 Rem, 6mm B.R. Rem., 257, 25-06, 264 Win. Mag, 260 Rem, 6.5x47 Lapua, 6.5 Creed, 6mm Creed, 6mm SLR, 6.5x57 Mauser, 6.5mm Win, 6.