A backpack tool bag designed specifically for professional tradesmen who need to climb ladders or walk long distances on a daily basis. With 56 pockets inside and out, the Tech Pac has ample room for hand tools, meters, part boxes, cordless drills and impact drivers, as well as other bulkier items, such as manifold gauges, hoses, cable wores and even a tablet. Specifications Width: 250mm Length: 360mm Height: 555mm (460mm with Handle Folded Down) Weight (empty): 4.2kg Maximized Tool Storage Capacity Vertical Tool Pockets: 46 interior and exterior tool pockets of various sizes 2 Storage Bays- 4 Storage Platforms Manifold Gauge and Hose Storage Pocket D-Rings: 4 large and 5 small Outside Mounted Stainless Steel Tape Clip Holder Cable and Accessory Pockets Materials and Construction Weatherproof Base: 3mm Injection Molded Polypropylene Weatherproof Body Fabric: 1200-950 PVC Impregnated Denier Nylon Weatherproof Tool Pocket Fabric: 1800 PVC Impregnated Denier Nylon Quick Release Metal Hasp: Allows Easy Access to Rear Storage Bay and Creates Positive Shoulder Strap Load Connection Internally Stored Aluminum Hook to Hang Bag Over-Molded Ergonomic Grip Padded EVA Thermoformed, Ergonomic Back Padding Zippers: Double Stitched, Heavy Duty Plastic Coil Zippers with Oversized Zipper Tabs D-Rings: Powder Coated Steel Rivets: Marine Grade Rivets Stitching: Industrial Strength Double Nylon Stitching