The Thule Force M 624 Cargo Box offers travel value and space with key conveniences. The Force M has a low-profile design that provides greater garage access without sacrificing box capacity. The Diamond-Textured AeroSkin Lid is durable and the aerodynamic shape helps cut through the air. Tool-Free Quick-Grip mounting system attaches box to rack in less than 5 minutes. The SecureLock ensures that all gear is locked and box is properly closed prior to driving. This Thule cargo box has Dual-Side opening for easier loading and unloading from either side of the vehicle. 2 One-Key Locks (included) secure box contents and lock the box to the carrier.