Weather Guard Quick Clamp Rack Accessory Cross Member Gutter Mount Model 233-3-01Weather Guard Quick Clamp Rack Accessory Cross Member Gutter Mount Model 233 3 01 When your Quick Clamp Van Rack requires an additional cross member, the Quick Clamp Rack Accessory Cross Member Model 233 3 01 provides the extra support you need. Designed to work with the 234 3 01 Quick Clamp Van Rack, the cross member attaches easily and quickly. The cross member fits full size vans with side mounting rails or gutters, such as the Chevrolet Express,