.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} Park Tool HBT-1 Hydraulic Brake Tool. The Park Tool HBT-1 Hydraulic Brake Tool quickly and accurately cuts hydraulic brake line then precisely installs hose barbs into the tubing when the brake line is either on or off the bike.