AST1717 Features: -1/2" removeable rubber tip. -New, improved valve design makes this blow gun more convenient, faster, and easier to use for all applications. -Comfortable lever control and insulated handle. -Ergonomic grip. Product Type: -Gun. Gun Exntension Length: -4". Dimensions: Overall Height - Top to Bottom: -1 Inches. Overall Width - Side to Side: -5 Inches. Overall Depth - Front to Back: -11.75 Inches. Overall Product Weight: -0.35 Pounds.