Specification: Certification: NONE Type: Source Treatment Unit Model Number: Pneumatic Air Blow Gun Product main material: plastic + stainless steel standard yellow short gun: 312x135x20mm/12.28x5.31x0.78inch Boutique blue 312x135x20mm/12.28xx5.31x0.78 inch common 240x115x20mm/9.44x4.52x0.78inch High-grade black 310x135x35mm/12.20x5.31x1.37inch Note: Due to the different monitor and light,effect actual color of item might be slightly from showed on pictures. Thank you! Please allow 1-2cm measuring deviation due manual measurement. 1 x Air Blow Gun