The brand name is changed sequentially from Hitachi Koki to HiKOKI. The product logo will be changed to HiKOKI, but the specifications are not changed. Please note that there are a mix of products with new and old logos for a while, but we cannot accept requests for the logo. Some images on the product page may have the old brand logo. Auxiliary tank hose; Auxiliary tank hose (4.4 MPa) 0.2 inch (5 mm) x 6.6 ft (2 m)