Proto JN51604R 5/16" x 4" Performance Grip Nut Driver

• Ergonomic quad-lobe handle design with 360° texture grip for additional grip
• Designed to meet demanding heavy-duty needs of industrial maintenance and assembly applications
• Screwdrivers meet ASME B107.15 standards
• Shank Length: 4"
• Made in USA

Handle Features:

• Impact and chemical resistance handles are four-sided with broad but shallow flutes
• Resistant to most harsh chemicals (including hydraulic fluids used in the aerospace industry)
• Four-sided handle design helps prevent “roll away” from the work surface