Made of strong, yet lightweight military-grade polyethylene, the 12 Rack size GR12L offers 18.75″ of rackable depth with locking lids for extra security. It sports recessed side handles for comfortable carrying, and its heavy duty twist latches will take the poundings of the road (and roadies) in stride. 12 Rack Spaces 18.75″ rackable depth Lightweight polyethylene construction Front & rear rack rails Threaded field replaceable 7mm zinc plated steel rack rails Locking lids Heavy duty twist latches Comfortable recessed side handles Heat treated 10/32 bolts with protective washers included Interior Front Rail to Rear Rail Distance: 16.5″ Interior Front Rail To Rear Lid: 18.25″ Interior Lid Depth: 2.25″ Exterior: 24″ x 22″ x 22.375″ Weight: 19 lbs