Proto 12 Piece Metric Hollow Nut Drive J1212MNDS-SBD

Proto's professional-grade metric nut driver set engineered for high-torque industrial maintenance and precision assembly. Each driver features the DuraTek™ quad-lobe handle design with a 360° texture grip, providing maximum ergonomic comfort and superior control while resisting harsh chemicals and hydraulic fluids. The hollow shank design is specifically crafted to accommodate long bolts and threaded rod applications, making it an essential kit for automotive technicians and industrial professionals.
Key Features
Comprehensive 12-piece set includes sizes: 4 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, and 14 mm.
Ergonomic quad-lobe handles with 360° texture grip provide enhanced torque and reduce hand fatigue.
Hollow shanks allow for clearing long bolts and studs in deep-seated fastening applications.
Four-sided handle geometry prevents tool "roll-away" on flat work surfaces.
Manufactured from high-strength alloy steel with a solid round shank for long-term industrial reliability.
Chemical-resistant handles are built to withstand exposure to common industrial solvents and aerospace fluids.
4-inch shank length provides extended reach for accessing fasteners in restricted or obstructed areas.
Meets or exceeds ASME B107.110 standards for professional hand tools.