Fits Xbu03, Makita Blower Compatible, Haiouus 191B21-6, 6 Flat End Nozzle Replacement model: 191B21-6, 197889-6 197889-6 Compatible With Makita 18V X2 36V Hand held Blower, Fits XBU03 and XBU02Z Model. 197889-6 size: length is: 27.5CM / 10.8inch. The longest outer diameter of one end of the flat mouth is 13.2CM / 5.2inch. The shortest outer diameter is 5.2CM/2inch. The diameters of the round holes at the other end are 9CM/3.5inch and 8CM/3.15inch respectively, as shown in the picture. 191B21-6 Size: The maximum hole distances are: 10.2CM / 4inch and 8.9CM / 3.5inch as shown in the picture. Adapter length: 25.7CM / 10.12inch. Small hole pitch: 7.5CM / 3inch. Product features: Narrow profile design increases air speed, resulting in better removal of heavy debris. This product is made of high quality material, which increases the blower flat end nozzle service life. When installing the transfer pipe, try to place the pipe and blower on the ground or other flat positions, which not only makes the installation more convenient, but also improves the operator's comfort. Dear buyers, if you have any questions during purchase and use, please send us an email in time, and our staff will reply you within 24 hours. Before purchasing, please check in advance whether your product and model are consistent with ours to avoid inapplicability.