•Multi-Function Self-Tightening Wrench: A versatile tool designed for a wide range of applications, perfect for professional and home use •Durable Material: Constructed from durable chrome vanadium steel, this wrench ensures high strength and long-lasting performance under heavy-duty usage •Suitable for 3-17mm Screws: This universal wrench is designed to accommodate a wide range of screw diameters, from 3mm to 17mm, making it ideal for various tasks •Electroplating Surface Treatment: The electroplated surface ensures rust resistance and durability, keeping the wrench in excellent condition over time •Wide Application: Widely used in automotive repair, mechanical assembly, disassembly, and daily maintenance, this wrench is a must-have tool for multiple applications Specifications: •Material: Chrome vanadium steel •Length: 150mm •Applicable: 3-17mm diameter screws •Surface treatment: electroplating •Process: cold cutting process •Scope of application: widely used in auto repair industry, mechanical disassembly, assembly, daily maintenance and other purposes Package included: •1 x Torx Wrench •Not included other items