1680D Ballistic Nylon 4 main pockets for fasteners and tools 12 smaller pockets and tool holders Nickel-plated hardware and angled hammer loop Detachable tape measure pocket Diamond PVC bases with patent pending Storm Drains™• Ballistic nylon construction - 1680D • Nickel-plated steel storm drains keep tools and fasteners ventilated • Heavy gauge, nickel-plated steel rivets reinforce key stress points • Abrasion-resistant PVC-reinforced pouch bases • Nylon/PP reinforced pouch bindings • Heavy gauge 6-ply nylon stitching