You get 19 needle attachments! Key Product Specs Blows Per Minute (BPM) 4,500 Air Consumption (CFM) 5 Operating PSI 90 Needle Length (in.) 7 Needle Diameter (in.) 1/8 Air Inlet Size (in. NPT) 1/4 Case Included No Tool Weight (lbs.) 5 1/4 Additional Product Specs * Short barrel air hammer