Aeroburr Set B11P. The Mango II AeroBurr B11P Set for the aviation and aerospace industries features our "B11P" Style TIN coated blades. Popular set for long reach work on holes, slots and edges. Great for Straight Edge and Hole Edge Applications. Set Includes 1 Ergonomic Mango II Handle, 1 B Blade Holder and 5 thin nose TIN Coated B11P blades