Lang Tools 8569 9/16" Automatic Slack Adjuster Wrench - Heavy Duty Truck Brake Adjustment Tool for Semi Trailers & Commercial Vehicles | Perfect for Mechanics & Fleet Maintenance

The Lang Tools 9/16 inch Extra Long Automatic Slack Adjuster Wrench is used for brake service and slack adjuster installation on heavy-duty trucks equipped with Bendix slack adjusters. It features an extra deep hex which allows the technician access to recessed adjusters.