Features:Made of premium chromium molybdenum steel, high hardness and long service life. 5 kinds of different shape air hammer chisel, provided the needs of different jobs.Excellent quality air hammer chisel, it can used with a pneumatic tool.Ideal for masonry and concrete demolition, hard surface break up, chiseling and removing welding spots, rust, hardware cutting, drilling and so on.Universal size, 10cm/0.4in round shank chisels are suitable for 150/190/250 air hammer.Specification:Material: Chromium molybdenum steelWeight: Approx.474g/ 16.7ozLength: Approx.125mm/ 4.9inShank Dia.: 10mm/0.4inPackage List:5 * Air Hammer ChiselNote:Please allow slight error due to manual measurement. Thanks for your understanding.