More stable: All steel board for body are changed from 0.8mm steel board to 1.2mm cold rolled steel board, making sure the body more stable
Higher load bearing: 4 5” universal nylon wheel (2 with brakes) replaced previous 2 fixed combined with 2 universal rubber wheel, making the trolley more flexible with higher load bearing ability.
More practical: One store case with lock for screwdriver added, more convenient
More comfortable: PVC sleeve added on handle, more comfortable
More durable: firmer draw puller, more durable draw sliding track.