Proto J55104A 29 Pc 3/4 in Drive Socket Set

Product Description

The PROTO J55104A is a 29-piece standard socket set built around a 3/4 inch drive system, covering inch measurements from 7/8 inch through 2-3/8 inch. Each socket features a 12-point design and a chrome finish over steel construction. The set includes a full complement of drive accessories and is sized for heavy-duty fastener work in industrial, mechanical, and commercial maintenance applications. Licensed mechanics, millwrights, and heavy equipment technicians are the primary users of this tool set.

This set is suited for applications requiring large-fastener access, including heavy equipment repair, industrial machinery maintenance, structural assembly, and commercial vehicle service. The 3/4 inch drive system delivers the torque capacity needed for large-diameter fasteners in demanding service environments. The included ratchet, multiple extensions, hinge handle, sliding T-handle, and universal joint give technicians the drive versatility to work in tight or awkward spaces.

Key Features

• 29-piece set covering 21 socket sizes from 7/8 inch to 2-3/8 inch in standard inch increments
• 3/4 inch drive system for high-torque fastener applications
• 12-point socket geometry for engagement on standard hex fasteners
• Chrome finish over steel construction for corrosion resistance and durability
• Includes classic pear head ratchet, three extensions (4 inch, 8 inch, 16 inch), hinge handle, sliding T-handle, and universal joint
• Lifetime warranty from the manufacturer
• Stored in a tool box case for organized transport and storage

Compatibility

Designed for use with standard 3/4 inch drive tooling in inch measurement applications. Compatible with other 3/4 inch drive accessories and extensions conforming to standard drive dimensions.

Installation Notes

This set is intended for use by qualified mechanics and technicians familiar with large-drive hand tools. Always confirm the correct socket size is fully seated on the fastener before applying torque to avoid rounding. Inspect the ratchet and extensions for damage before use in high-torque applications. Store sockets in the provided case to prevent loss and protect the chrome finish.