Wright Tool 3903 3/8 in Drive Impact Socket Extension

Product Description

The WRIGHT TOOL 3903 is a 3/8 inch drive impact socket extension with a ball-retention design, built for demanding trade and industrial applications. At 3 inches in length, it bridges the gap between impact driver and socket in tight or recessed fastener locations. The oiled black oxide finish resists corrosion and reduces glare in low-visibility work environments. This extension is intended for use with impact-rated tools and sockets, making it appropriate for HVAC technicians, plumbers, electricians, and mechanical contractors who regularly drive fasteners in confined spaces.

The 3903 is suited for residential and light commercial service work where 3/8 inch drive impact tooling is standard. The ball-retention feature keeps the socket positively seated during overhead, angled, or one-handed use, reducing dropped sockets in panel enclosures, mechanical rooms, and tight equipment bays. It pairs with standard 3/8 inch drive impact sockets across a range of fastener sizes.

Key Features

• 3/8 inch drive sizing compatible with standard impact sockets and impact drivers
• Ball-retention design keeps sockets firmly seated during use
• 3 inch length provides reach into recessed or hard-to-access fastener locations
• Oiled black oxide finish for corrosion resistance and reduced surface glare
• Impact-rated construction designed to handle torque loads from pneumatic and electric impact tools

Compatibility

Designed as an OEM-style fitment for use with standard 3/8 inch drive impact sockets and impact drivers across residential and commercial service applications.

Installation Notes

Installation of this extension requires no special tools beyond the impact driver or wrench it attaches to. Verify the ball-retention detent is fully engaged before applying torque. Do not use this extension with non-impact-rated sockets, as impact torque loads can crack standard chrome sockets. Follow applicable safety practices when working near energized components or pressurized systems.

Technical Specifications

• Drive Size: 3/8 inch
• Length: 3 inches
• Retention Type: Ball
• Finish: Oiled Black Oxide

Standard Information

• Brand: WRIGHT TOOL
• Manufacturer Part Number: 3903