7-Spline Small Diameter Socket, 5/8" Inner Dia. - Steelman

The Steelman 78544 7-Spline Small Diameter Socket is an essential tool designed for the secure removal and installation of specialized 7-spline lug nuts often found on aftermarket wheels. Engineered with a precision 5/8" inner diameter and a slim profile, this socket provides reliable engagement in deeply recessed lug holes, preventing damage to both the fastener and the wheel during service.

Key Features

• 7-Spline Small Diameter Design: Specifically tailored for common 7-spline wheel locks and small diameter lug nuts found on many aftermarket and custom wheels, ensuring a proper, non-damaging fit.
• Precision 5/8" Inner Diameter: Provides a secure and positive fit for 5/8" ID 7-spline fasteners, significantly reducing the risk of cam-out, slippage, and fastener rounding even under heavy torque.
• Slim-Wall Construction: Features a reduced outside diameter, enabling enhanced access into deep, narrow lug wells and tight clearances without contacting or scratching the wheel face.
• Durable Steel Construction: Built from professional-grade steel to withstand rigorous impact or hand-tool use in demanding shop environments, ensuring consistent torque transfer and a long service life.
• Optimized Service Length: The overall length offers ample room for tool engagement while effectively fitting into recessed wheel cavities on a variety of vehicles, including passenger cars, light trucks, and SUVs.

Applications

This Steelman 7-spline small diameter socket is an indispensable tool for tire shops, dealerships, and independent garages that routinely service vehicles equipped with aftermarket wheels, tuner wheels, and security lug nut sets. It is ideal for critical tasks such as wheel and tire rotations, brake service, seasonal tire changes, and any general wheel maintenance where 7-spline locking or small diameter lug nuts are present. This socket serves as a practical and reliable addition to any professional specialty lug nut socket collection.

Specifications

• Manufacturer: Steelman
• Model: 78544
• Inner Diameter: 5/8"
• Spline Count: 7-spline
• Dimensions: 3.5" L x 1" W x 1" H
• Weight: 1 lb