This precision tool allows hand reloaders to produce a uniform primer depth for more consistent ignition and improves accuracy.Uniforming tool has a pre-set stop collar set to saami specs.Reloader simply inserts and turns.Available in large and small sizes (for rifle cases only).Caliber: Multi-CaliberSize: SmallWeight: 6 ozFunction: Case Trimmer and PrepCompatible With: Rifle CasesMaterial: Steel/PolymerFinish: Gray/Orange