Specification Brand : Jeanoko BulletPoint : Made in United States BulletPoint1 : ★【High-quality design】: The design of the drill bit is ergonomic, very flexible, and easy to operate. BulletPoint2 : ★【High efficiency】: extremely fast speed, no-load speed: 1700rpm, which can help you achieve high-efficiency and high-precision drilling BulletPoint3 : ★【Reversible】: The product has a reversible rotary switch, which is convenient and practical, and has high sensitivity, which can help you achieve reverse operation BulletPoint4 : ★【Used for】: machine production, maintenance, drilling, furniture, tapping, this is a good tool for drilling holes on walls, floors, iron plates, etc. BulletPoint5 : ★If you have any English about the product, please contact us in time ExternallyAssignedProductIdentifier : 9179935019331 ExternallyAssignedProductIdentifier1 : 0663023081939 ExternallyAssignedProductIdentifier2 : 663023081939 IncludedComponents : inc ItemName : Jeanoko 5pcs Air Hammer Chisel Set Air Hammer Bits Pneumatic Hammer Bit Set Air Hammer Head for 150/190/250 Air Hammer Industrial Tools ItemPackageQuantity : 1 ItemTypeKeyword : power-hammer-drills Manufacturer : Jeanoko Material : Steel NumberOfItems : 1 PartNumber : EVTSCANnoegfdwhci PowerSourceType : PowerSource ProductDescription : Specification: Features: Made of premium molybdenum steel, high hardness and service life. 5 kinds of different shape hammer chisel, provided the needs of different jobs. Excellent quality hammer chisel, it can used with a pneumatic tool. Ideal for masonry and concrete demolition, hard 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 hammer. Specification: Material: molybdenum steel Weight: Approx.474g/ 16.7oz Length: Approx.125mm/ 4.9in Shank Dia.: 10mm/0.4in Package List: 5 * Hammer Chisel Note: Please allow slight error due to manual measurement. Thanks for your understanding.