Proto® manufactures industrial grade tools that ensure faster and easier work for the professional craftsman. Developed according to strict standards, Proto tools feature ergonomic advantages such as enhanced shock absorption and reduced slippage. Proto offers more than 4,000 tools that are specially engineered for heavy-duty industrial and maintenance applications; sockets & ratchets, wrenches, torque wrenches, screw, bolt, stud & pipe extractors. Proto also offers high-quality tool storage for easy access to your equipment.