Titan 2404600 - Weld On Drum Brake Actuator - Adjustable Channel - 12,500 lb - PrimedAdjustable channel, surge type actuator welds onto 3" wide trailer tongue and lets you mount your coupler (sold separately) in three different positions to match your application. Unique roller design helps reduce resistance. Features: Hydraulic actuator synchronizes trailer brakes with tow vehicle brakes Unique roller design reduces resistance during telescoping to create straight line movement Durable steel construction resists bending in jackknife