Bosch Narrow Chisel HS2163 1 1 8 Inch Hex Shank 20 Inch (Concrete Slab Trenching Core Starting Masonry Breaker Hammer Chisel Bit) Grinding Wheel Drop Forged Steel Alloy Size 1a Head: Drop Forged Steel Alloy Size 1a Head: Heavy duty forged alloy construction provides superior tensile strength and stress resistance to prevent jaw cracking under heavy bending loads Countertop and Cabinet Fabrication: Managing wood chip buildup during high speed laminate or plywood sheet cutting to ensure precise tracking accuracy throughout the entire bore path Deep Level Foundation Demolition: Utilizing the 20 inch extended length to reach down into deep footings and trenches while maintaining an upright operator stance (1) Bosch HS2163 1 1 8" Hex Shank 20" Narrow Demolition Chisel