Product Name: High Flow Air Duster Gun Blowing Gun Model NO.: ST90-2 Customized: Non-Customized Screwdriver Startup Mode: Under pressure Degree of Automation: Automatic Pneumatic Drill Range: Rock Air Wrench Type: Impact wrench Working Style: Rotary Type Usage: Blowing Gun Type: High Pressure Gun Trademark: OEM Transport Package: Slide Card Specification: 12.2*240 Origin: China HS Code: 8424200000 Product Description 1 High flow air duster gun2 Aluminum gun body with TRP trip3.one high flow nozzle ,one 12cm nozzle4.Air can come from up and down5.Long trigger comfortable for us6.Air can adjust big and small