The large pistol primer pocket uniformer is designed to cut primer pockets to a uniform depth that can produce more consistent ignition and lead to greater accuracy.The primer pocket uniformer cuts to a uniform depth and at the same time squares the seating surface for the anvil of the primer.Caliber: Multi-CaliberWeight: .38 lbsFunction: Case Trimmer and PrepMaterial: Steel/PolymerFinish: Gray/Orange