17  EP 3 800 011 A1 18  borhood of the nose portion (14) when the op- eration portion (30) is operated, and a duster pipe arrangement (42) connecting to the air outlet (40) and the nozzle (17b), wherein the duster pipe arrangement (42) is disposed outside the housing of the tool body (11). 5 10 15 20 25 30 35 40 45 50 55 10 6. The driving tool (10) according to any one of claims 1 to 5, wherein the valve memberand the airoutlet(40)are disposed in a pushing direction of the operation portion (30). 5. The driving tool (10) according to any one of claims 1 to 4, wherein the flow amount adjustment mechanism is config- ured to adjustthe amountof airjetted outofthe noz- zle (17b) in accordance with an operation amountof the operation portion (30). 4. The driving tool (10) according to any one of claims 1 to 3, further comprising: a flow amount adjustment mechanism configured to adjustan amountofairjetted outofthe nozzle(17b). 3. Thedriving tool(10)according to claim1 or2,where- in the duster pipe arrangement (42) is a flexible tube which is elastically deformable. 2. The driving tool (10) according to claim 1, wherein one end of the duster pipe arrangement (42) is con- nected to the air outlet (40) through a joint part (41) rotatably provided on a side surface of the housing of the tool body, and the other end of the duster pipe arrangement (42) is fixed bya tip covermember(17)covering atip ofthe toolbody (11)and isconfigured to communicatewith the nozzle (17b) provided on the tip cover member (17).