Adjustable: extra-long adjustable strap with quick-release buckle. | Multifunctional: tool bag with space for nails, hammers, screwdrivers, tape measure, and other tools. Ergonomic design with smart pockets. | Widely used by construction workers, carpenters, plumbers, electricians, etc. | Designed to last on construction sites. | Tested multiple pocket system to work efficiently. Includes stable hammer holder.