... Adjuster Automatic Slack Adjuster Slack Adjuster For Truck Trailer And Heavy Duty. MANUAL SLACK ADJUSTERSuitable for Midland, BPW, Benz, Lecinena, Sauer, Fruehauf ... , Ror, Volvo, Daf, Coder-titan, Colaert, Hino, Kaessobohrer and Scania.Lifetime ...