Double Box Racheting Spline Wrench 3/8 X 7/16

The Proto JSBV1214 Black Chrome Reversible Ratchet Wrench 3/8" x 7/16" is specifically designed for servicing high tensile strength fasteners commonly found in military and commercial aircraft, heavy machinery, automotive, and industrial applications where vibration is a concern. The Spline profile of the wrench allows for a higher torque to be applied without rounding the fastener corners, making it ideal for turning worn or rounded fasteners.

Spline fasteners are essential for tightening high strength bolts used in heavy torque load applications, and they help reduce foreign object debris (FOD) by providing a precise fit between the fastening tool and the fastener. The black chrome finish not only adds a visually distinctive touch but also offers corrosion resistance for long-lasting durability.

The ratcheting spline box end of the wrench is designed with a countersunk feature for easy application to the fastener, ensuring a secure grip. This wrench is compatible with fractional 4, 6, 12 point, and spline fasteners, providing versatility for various applications.

Overall, the Proto JSBV1214 Black Chrome Reversible Ratchet Wrench offers high performance torque capabilities and durability, making it a reliable tool for professional use. It is imported and meets the standards required for demanding industrial and automotive tasks.

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