Rcbs dry case neck lube is a specially developed form of mica and is used to lubricate case necks.This dry-formula case lube is designed to lubricate cases for chamfering deburring primer pocket cleaning military crimp removal and flash hole deburring on the rcbs trim mate case prep center.To apply simply dip the case neck into the dry lubricant and to remove any excess lubricant.Type: Case Neck LubeSize: Multi-CaliberBristle Type: 1Includes: LubricantHazair: Yes