The 4pc SDS Chisel Set you're referring to typically includes a selection of chisels designed for SDS rotary hammer drills, commonly used for demolition, chiseling, and light construction work. Here's a breakdown of the set: Included Chisels: Point Chisel – Used for breaking up concrete, tile, or masonry by concentrating force on a small area. Gauge Chisel (or Scaling Chisel) – Designed for removing thin layers of material, rust, or mortar; often has a wide, flat edge with a slight curve. 20mm Flat Chisel – A narrower chisel for precise chipping, grooving, or removing tiles/bricks. 40mm Flat Chisel – A wider chisel for faster material removal, stripping floors, or breaking up larger surfaces. Key Features: SDS (Slotted Drive System) Compatibility – Fits most SDS/SDS-Plus rotary hammer drills. Hardened Steel Construction – Durable and resistant to wear. Anti-Vibration Handle (if included) – Some sets come with an ergonomic handle for better control. Common Applications: Demolition work (concrete, brick, stone) Tile removal Chasing walls for electrical/plumbing lines General construction tasks