The Ken-Tool Drum Air Brake Slack Adjusters fit Meritor, Haldex and Bendix air braking systems. The steel tools, available separately, offer an offset reversible ratchet design and come with a limited lifetime warranty. The two-piece Meritor Automatic Slack Adjuster Set (No. 33200) features a 5/16” double square ratchet and a tool to secure the brake shaft from turning during tightening/loosening of the adjustment nut. It weighs 10.4 oz and is 12" long. The Haldex Slack Adjuster Tool (No. 33205) uses a 7/16” double offset square ratchet, weighs 10.4 oz and is 14.5". The Bendix Slack Adjuster Tool (No. 33206) uses a 9/16” double offset square ratchet, weighs 1 lb and measures 14.5". The Haldex and Bendix tools each have extra-long handles for improved leverage, with slip-resistant vinyl hand grips.