The exteriors feature SKB’s recognizable bar design that signifies the rack unit size on the front and rear lids. Molded bars on top and bottom also provide interlocking capabilities allowing you to easily and securely stack them with SKB’s Standard Roto Racks and Roto Rolling Racks, making transport even more convenient and secure. Lids include rubber gasket seals to keep water out. Other standard features include front and rear steel threaded rails and rack screws (10-32 thread), recessed steel Mil-Spec twist latches, flush carry handles, and non-slip rubber feet. All Shallow Racks are 10.7″ deep from front rail to rear rail.Main Features:Roto-molded of Linear Low Density Polyethylene (LLDPE) for maximum strength & impact resistanceAvailable in 2U, 3U, 4U, and 6U sizesInterlocking molded stacking barsGasket-sealed waterproof front & rear lidsRecessed twist latchesHeavy-duty flush mount handlesNon-slip rubber feetIncludes rackmount screwsOptional Roto Caster Board available (1SKB-RCB)Unconditional Lifetime warrantySpecifications:Exterior: HardRack Units: 2Front Rail To Back Lid: 12.25 in (31.12 cm)Rail To Rail: 10.375 in (26.35 cm)Rear Rail to Front Lid: 12.25 in (31.12 cm)Product Weight: 10 lb (4.54 kg)Exterior Length: 22.125 in (56.20 cm)Exterior Width: 15.875 in (40.32 cm)Exterior Height: 6.125 in (15.56 cm)Carton Length: 23 in (58.42 cm)Carton Width: 16.5 in (41.91 cm)Carton Height: 6.5 in (16.51 cm)Shipping Weight: 11.21 lb (5.08 kg)