YIYEIE 18-Piece Ultra-Slim Open End Wrench Set | Metric & SAE, 5.5–27 mm, CR-V Steel

Overview

The YIYEIE 18-piece Ultra-Slim Open End Wrench Set blends a broad metric and SAE range with a remarkably slim profile, crafted for fastener work in tight spaces. Built to handle a variety of tasks—from bicycle adjustments to automotive maintenance—this set aims to deliver accessible play in cramped areas while keeping organization at your fingertips with a sturdy rolling pouch.

Sizes Included & Quick Reference

• Metric: 5.5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 22, 23, 24, 27 mm
• SAE: 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 1/2", 9/16", 19/32", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16"

Slim Profile, Broad Reach

The standout 1/8-inch ultra-thin design enables access to fasteners hidden in tight corners, narrow gaps, and difficult-to-reach areas. This makes it a practical companion for projects where space is at a premium and every millimeter counts.

Durability & Finish

• Industrial-grade chrome vanadium steel that is heat treated and drop forged
• Mirror-polished surface with corrosion and rust resistance for lasting use

Storage, Portability & Identification

• Heavy-duty roll-up pouch designed for easy storage and transport
• Size markings printed on the pouch for quick identification
• Two copper hanging holes add simple hanging or display options

Practical Uses

Whether you’re working on bicycles, motorcycles, cars, or general machinery, these double open-end wrenches are ready to assist with occasional maintenance, household projects, or workshop tasks. Use them as a reliable everyday toolkit or as a precise add-on to your existing set.

Tips for Best Results

Choose the correct size that seats flush with the fastener, apply appropriate lubrication when needed, and work gently in restricted spaces to avoid slipping or rounding off nuts.