21mm Single-Sided Open-End Wrench

Overview

A straightforward, hardworking 21mm single-sided open-end wrench built for mechanics and technicians who need reliable access to standard metric fasteners. This wrench is part of a complete range that includes smaller sizes like 11mm through larger options up to 29mm, making it easy for you to stock a full metric line.

Key Features

• Single-sided design – Open U-shaped jaw on one end, flat machined faces for solid grip
• 21mm jaw opening – Matches common metric fastener sizes in automotive and industrial applications
• Flat metal construction – Lightweight yet rigid; no pivot points or moving parts to fail
• Bronze/natural metal finish – Professional appearance with proven corrosion resistance for shop and field use
• Rounded handle end – Ergonomic grip reduces fatigue during extended use

Why This Works for Your Business

As a distributor, you know that single-sided open-end wrenches remain a staple in every professional toolbox. The 21mm size sits in the middle of the most-requested metric range, making it a reliable margin driver. Stock depth is minimal (thin, flat profile), and demand is consistent across automotive repair, manufacturing, and maintenance sectors. Low damage rates and zero maintenance requirements mean satisfied customers and minimal returns.

Technical Specifications

Specification	Detail
Jaw Size	21mm
Design	Single-sided open-end
Material	Steel, machined
Finish	Bronze/natural metal
Head Style	Flat, U-shaped jaw with parallel faces
Handle	Flat metal body with rounded end
Primary Application	Metric fasteners, automotive and industrial

Close the Sale

Order in bulk and establish this wrench as part of your metric open-end line. The 21mm is a proven performer that mechanics reach for every day.