#5 Spline X 15/16" Square, 4 Point GP5315S

Grey Pneumatic professional-grade #5 spline drive 15/16" square impact socket specifically engineered for heavy-duty truck wheel service. This specialized tool features a 4-point design optimized for a precise fit on 15/16" square fasteners, making it essential for handling inner cap nuts on Budd-style wheels. Forged from high-strength chrome-molybdenum alloy steel, it utilizes the patented GP High Torque Drive to maximize power transfer while reducing the risk of fastener rounding and tool wear.
Key Features
#5 Spline Drive System: Engineered for high-torque industrial tools, providing multiple contact points for superior power transmission and reduced vibration compared to standard square drives.
4-Point Square Design: Specifically optimized for a precise fit on 15/16" square fasteners, ensuring high grip and stability during intensive heavy-duty applications.
GP High Torque Drive: Innovative design transfers pressure from the thinnest part of the socket wall toward the thicker section, increasing overall tool strength.
Industrial-Grade Material: Manufactured from top-quality, heat-treated chrome-molybdenum steel for the optimal balance of strength and impact durability.
Permanent Markings: Features both laser-etched and roll-stamped size markings to ensure quick and reliable identification even after extensive professional use in harsh environments.
Corrosion Resistance: Finished with a protective black oxide coating to prevent rust and maintain tool integrity in professional shop settings.