... are specializing in producing different kinds of manual slack adjusters,air dryer,spring brake chamber,spring coil,couple head,clutch booster,valve.If ... to contact us at any time.Product details: 1 Name:manual slack adjuster 2 Arm Length: 5.0”, 6.0”, 3 ... )575-87283099 FAX: (86)575-87283099 SKYPE: jolin.tuQQ: 2652490105 manual slack adjuster 2 holes 28 teeth KN44051