The popular Trim ProR case trimmer has been improved with the addition of a spring-loaded universal shell holder. The springloaded shell holder securely locks the case in alignment with the cutter. The trimmer is designed for .001" accuracy. Coarse and fine trim length adjustments. Fine adjustment bushing features .001" micrometer markings. The spring-loaded shell holder will accommodate case head diameters from .250" to .625" rims. Case fit is from the 5.7mmx28 to the long range .338 Lapua Magnum. Kit includes pilots: .22, .24, .25, .27, .28, .30, .35, .44 and .45.