Double-Ended Spline Box Wrench, E20 x E24, Chrome Vanadium Steel

Brief Overview

This is a straightforward, single-piece double-ended box wrench engineered for E-type spline fasteners. The chrome vanadium construction delivers reliable performance in demanding automotive and industrial applications. If your inventory includes precision fastening tools, this wrench complements offset box wrenches in complementary sizes and works efficiently alongside smaller spline wrenches for complete fastener coverage.

Key Features

• Double-Ended Design: E20 and E24 spline heads on a single tool—eliminates the need to carry two separate wrenches
• Spline (E-Type) Engagement: Multi-point star/spline openings prevent rounding and cam-out on fasteners where traditional hex wrenches fail
• Chrome Vanadium Steel: Industry-standard alloy provides strength, corrosion resistance, and longevity under shop conditions
• Polished Chrome Finish: Professional appearance with protective surface that resists oxidation and wear
• Single-Piece Construction: No moving parts, no assembly—maximum durability and zero maintenance overhead

Business Advantages for Resellers

• Margin-Friendly: Low production cost on durable hand tools translates to attractive wholesale margins
• High Turnover Potential: Professional shops stock spline wrenches in multiple sizes; the double-ended format reduces SKU clutter while meeting demand
• Zero Service Claims: Chrome vanadium and single-piece design mean virtually no returns or warranty issues
• Bulk-Friendly: Lightweight and stackable—fits easily into tool kits, rolling carts, and point-of-sale displays
• Established Market: E-type spline wrenches are a proven category; no need to educate buyers on functionality

Technical Specifications

Specification	Detail
Wrench Type	Double-Ended Box (Ring) Wrench
Head Type	E-Type Spline (Multi-Point Star)
End 1 Size	E20
End 2 Size	E24
Material	Chrome Vanadium Steel
Finish	Polished Chrome Plating
Construction	Single-Piece Forged
Drive Style	Manual (Hand-Operated)

Why This Tool Matters

Spline-head fasteners are common in automotive engineering, industrial machinery, and precision assembly. Traditional hex wrenches slip and round the fastener head under load or corrosion. This wrench's multi-point spline engagement grips more contact points, reducing slippage and extending fastener life. For shops working on European or Japanese vehicles, or assembly-line operations with proprietary fastener designs, E-type wrenches are non-negotiable.

The double-ended format is a reseller advantage—you're stocking one SKU that covers two common sizes, reducing inventory complexity while meeting the full range of customer needs.

Call to Value

Stock this wrench as part of a tiered spline-wrench program. Pair it with complementary sizes to create a complete fastening solution. Low per-unit cost, high margin potential, and zero restocking headaches make this an essential add-to-cart item for automotive technicians and industrial maintenance professionals.