Each carbon steel arm undergoes rigorous hardness testing to maintain ±0.02mm dimensional accuracy, ensuring slip resistant engagement with metric fasteners across industrial and household applications The versatile Y shaped hexagonal wrench combines three accuracy sized hexagonal heads in a compact tool, crafted from sturdy carbon steel for torques and extended lifespans in demanding applications tackle bicycles repairs, furniture assembly, and automotive adjustments where traditional single head wrenches fails to reach confined spaces or mismatched bolt sizes Designed for mechanics, cyclists, and craft enthusiasts requiring multi size functionality in professional workshops, home garages, or outdoor maintenance scenarios Its ergonomic nonslip handle ensures comfortable grip during prolonged use, while the size indicators and accuracy machined heads fastener rounding in tight spaces, Manufacturer: Hsioluted