Feature:1. MULTI FUNCTIONAL COMBINATION SET: Hammer drill chisel bit contain a variety of different types of drill bits and chisel to meet different construction needs2. DURABLE MATERIALS: Hammer drill chisel bit is made of excellent alloy steel material for a durable experience, possess high strength and hardness3. ACCURATE AND INCISIVE DRILL BIT: The hammer drill chisel bit is finely ground to ensure accurate drilling and excellent penetration, effective and efficient4. EASY TO USE: Rotary hammer drill chisel bit has a round handle design and plastic box, easy for you to carry and store, ready to use, provide great convenience for your life5. WIDELY APPLICABLE: Electric hammer drill chisel bit is suitable for indoor and outdoor home decoration, wall breaking, building construction and other scenesSpecification:Item Type: Hammer Drill Chisel BitMaterial: 40CR alloy steelProduct List: 3 Piece Impact Flat Chisel: Approx. 20 x 250mm / 0.79 x 9.84in, 40 x 250mm / 1.57 x 9.84in, 20 x 140mm / 0.79 x 5.51in2 Piece Impact Point Chisel: Approx. 140mm / 5.51in, 250mm / 9.84in12 Pieces Impact Drill Bits: (5-6-8-10): Approx. 110mm / 4.33in(6-8-10-12): Approx. 160mm / 6.3in(8-10): Approx. 210mm / 8.27in(12-14): Approx. 260mm / 10.24in.Package List:1 x Storage Box12 x Impact Drill Bit2 x Impact Point Chisel3 x Impact Flat Chisel