Alpinestars - Halo Drystar Jacket Size:Large 1/2"" square head drive with

1/2"" square head drive with socket locking

You can use any of these options:

Spring Rate: 8

SHORT CHROME double socket arm and diamond adapter base

Clamp bolt: M8

Alpinestars - Halo Drystar Jacket Size:Large 1/2"" square head drive withA multi season adventure touring jacket with an innovative technical outer jacket, the Halo Drystar Jacket can be adapted to the weather conditions; the asymmetric front construction features a very wide vent panel, which combined with the large opening vent panel on the back, delivers optimum levels of airflow. This can be enhanced ever further, thanks to the removable sleeve shell which exposes the full mesh sleeves for unrivalled airflow in the