12 Groove Precision Double Layer Blade Push Rifling Button Chamber Milling Cutter Reamer Tool

Description: 12 Groove Precision Double Layer Blade Push Rifling Button Chamber Milling Cutter Reamer Tool Specification: Material: Tungsten Carbide Size: #1 5.56*5.81mm, #2 7.62*7.92mm, #3 /9.0*9.35mm Features: - Easy to process. - Precision, product lines more clear. - Guider, first enter the barrel; The first layer of blade forms groove; The second layer forms and repairs the groove. Package Included: 1 x Double Layer Blade More Details: