3/8-Inch Drive Extension Bar, 150mm Chrome Vanadium Steel

Overview

This 150mm extension bar extends your reach on fasteners in confined spaces and recessed areas—a critical tool for any professional shop. Built from chrome vanadium steel with a polished chrome-plated finish, it delivers reliability across countless applications. The spring-loaded detent ball ensures sockets stay seated during use, preventing slippage. If you need longer reach, our 400mm extension bar and wobble extension option offer additional flexibility for tight-angle work.

Key Features

• 150mm Working Length: Ideal midrange extension for standard fastening tasks and confined spaces
• Chrome Vanadium Construction: Durable steel grade stamped on shaft; resists bending and torsional stress
• Polished Chrome Plating: Bright, reflective finish resists corrosion and simplifies cleaning
• Secure Detent Ball Retention: Spring-loaded mechanism keeps sockets locked in place during operation
• Female 3/8" Square Recess (Input End): Accepts standard 3/8-inch drive sockets
• Male 3/8" Square Drive (Output End): Connects to ratchets, torque wrenches, and impact tools

Why Resellers Choose This Extension Bar

Reliable Stock Item: Extension bars are high-turnover consumables in any shop. The 150mm length covers the most frequently requested reach—not too short, not excessive. Stock multiple lengths to capture the full extension bar category.

Professional-Grade Quality: Chrome vanadium steel construction commands confidence from your customers. The detent ball mechanism eliminates frustration on overhead work where sockets must stay firmly seated.

Margin Opportunity: Extension bars are low-cost inventory with consistent demand. Bundle with socket sets, ratchets, and shorter 75mm options to increase average transaction value.

Technical Specifications

Specification	Detail
Drive Size	3/8 inch
Length	150 mm
Material	Chrome Vanadium Steel
Finish	Chrome Plated
Retention	Spring-Loaded Detent Ball
Catalog Number	211304

The Value Proposition

Professional mechanics reach for extension bars daily—they're non-negotiable accessories that justify shelf space in any serious shop. This 150mm version hits the sweet spot between compact 75mm bars and longer 200mm+ options, making it the most versatile length for general fastening work. Chrome vanadium durability ensures repeat customers return when their previous bar finally wears out after years of service.

Stock confidently. This is a tool that sells itself.