Proto J47148-1A 148 Pc Deep Standard Socket Set

Product Description

The PROTO J47148-1A is a 148-piece deep and standard socket set designed for professional trades work across a wide range of fastener sizes and drive configurations. The set covers 1/4-inch, 3/8-inch, and 1/2-inch drive sizes, with sockets ranging from 5/32 inch up to 1-1/8 inch. Sockets are chrome-finished steel for corrosion resistance and durability under daily shop use. The set ships in a metal tool box with socket bar and clips to keep components organized and accounted for on the job. It is suited for HVAC service, plumbing rough-in, electrical panel work, and general mechanical tasks where a complete inch-measurement socket system is required.

This set is built for use by licensed tradespeople who need a single organized solution covering multiple drive sizes and socket depths. The 1/4-inch drive group handles smaller fasteners including bit inserts for slotted hex and Torx profiles. The 3/8-inch drive group includes spark plug sockets in 5/8 inch and 13/16 inch. The 1/2-inch drive group reaches up to 1-1/8 inch for larger structural and mechanical fasteners. The included combo wrenches, hex keys, ratchets, extensions, and universal joint make this a self-contained set for field and shop service.

Key Features

• 148 total pieces covering 1/4, 3/8, and 1/2 inch drive configurations
• Socket range from 5/32 inch to 1-1/8 inch in inch measurements
• Chrome-finish steel construction for corrosion resistance and long service life
• Includes 1/4-inch drive slotted hex insert bits and Torx bits T15, T20, T25, T30
• 3/8-inch drive spark plug sockets in 5/8 inch and 13/16 inch included
• Stored in a metal tool box with socket bar and clips for organized inventory
• Lifetime warranty from the manufacturer

Compatibility

Designed for use with standard inch-measurement fasteners across residential and commercial HVAC, plumbing, electrical, and general mechanical service applications. All drive tools and sockets in this set use standard 1/4, 3/8, and 1/2 inch drive interfaces compatible with common ratchets and impact accessories of matching drive size.

Installation Notes

This set is intended for use by qualified tradespeople in professional service environments. Before using sockets on live electrical equipment, verify the circuit is de-energized and follow applicable NEC lockout/tagout procedures. Inspect sockets and ratchets for cracks or wear before each use and replace any damaged components. Do not use standard chrome sockets with impact drivers; use impact-rated sockets for pneumatic or electric impact tools.