The popular Trim Pro system has been improved with the addition of a spring-loaded "universal" shell holder. The spring-loaded shell holder securely locks the case in alignment with the pilot and cutter. The trimmer is designed with .001" accuracy. Coarse and fine trim length adjustments. Fine adjustment bushing features .001" micrometer markings. The Power Case Trimmer features a high torque low RPM motor. The self-feeding spring -fed cutter makes casse trimming easy and accurate. No pushing or feeding pressure is required, ;eaving your hands free to do other case preparation tasks such as chamfering, deburring or primer pocket cleaning. The positive locking handle and integral power switch makes operation simple and safe. A manual on/off switch has been added to aid in setting of initial case trim length. The "universal" shell holder will accomodate case head diameters from .250" to .625" rims. Case fit os from the 5.7x28 to the long range .338 Lapua Magnum or heavy hitting .45-70 Government. The kit contains nine pilots: .22, .24, .25, .27, .28, .30, .35, .44 and .45 RCBS Limited Lifetime Warranty on trimmer, two year limited warranty on Power Unit.