Slack Adjuster 5/16 for Trucks and Trailers with an Air Brake System

Product Features The fork release tool slides under the pull pawl button for hands-free release. No rough prying that damages your slack adjuster. 5/16 inch double square 17 Tooth reversible ratcheting wrench lets you switch rotation direction without removing the tool, great for tight confined spaces. Heavy-duty carbon steel construction for long service life. 4.50" Ergonomic orange comfort grip handles reduce hand fatigue during repeated brake adjustments. Designed for Meritor / Rockwell style automatic slack adjuster service. Application For adjusting air brake slack adjusters on semi-trucks, heavy trucks & trailers. Ideal for shop repair and roadside brake maintenance.