Knaack Job Site Storage Chest Box 2.3 Cu Ft 28" Jobmaster Model 28Knaack Job Site Storage Chest Box 2. 3 Cu Ft 28" Jobmaster Model 28 The Model 28 JOBMASTER Storage Box is designed to provide the convenience you need when tackling any project, from the toughest tasks to the simplest assignments. Perfect for professional settings and side projects alike, this small metal tool box measures 28in long and has a capacity of 2. 3 cubic feet to ensure you are able to bring along all of the essentials. For increased safety