Made in full grain leather and the best USA abrasion-resistant nylon on the market. Leather bags were reinforced with a layer of nylon inside the bottom. Reinforced with leather at specific points to improve the utility life of the nylon pouches. Extraordinary inclination on top of the pouch to prevent spilling tools when workers lean. Special ring openings on the side of the pouch to secure your daily tools with a safety lanyard. 20 different spots to organize your tools. 1.-Optional spot for accessorie: Tape measure. Drill bit holder, or Miscellaneous small bag. 2.-Hammer holder loop. 3.-Outside/back sleeve for: Pulling flat bar. Torpedo level holder, or Extra hammer holder sleeve. 4.-Leather wrench holder. 5.-Outside small bag for blue chalk line. 6.-Another outside small bag for red chalk line. 7.-Two Leather patch where you can attach accessories. 8.-Cordless leather brand holder. 9.-Main leather bag. 10.-Diagonal/side cutter holder. 11.-Pliers holder. 12.-Marker holder. 13.-Crayon holder. 14.-Chisel or plumb bob holder. 15.-Utility knife holder. 16.-Screwdriver holder. 17.-Pencil holder. 18.-Concrete drill bits holder. 19.-Wood drill bits holder. 20.-Calculator/cell phone holder.