Holman Clamp & Lock HD Aluminum Ladder Rack Kit - Double - GM Model 4GMACCHolman Clamp & Lock HD Aluminum Ladder Rack Kit Double GM Model 4GMACC With a rugged crossbow design, the Holman HD Aluminum Clamp & Lock ladder rack keep you ladders in place without straps or ties. This kit included rack, mechanisms and mount kit. Includes: Rack bows Passenger side clamp & lock mechanism Drivers side clamp & lock mechanism Mount Kit Features: New bull horns angled for easier loading New pads and rubber bumper on crossbows to prevent