Features and Benefits:Radius V-Groove design creates an anti-slip and prevents rounding of the fastener.Box end is offset by 15 degrees to provide clearance for your fingers and other obstructions near the fastener.Fully polished to eliminate oil and grease build up.Radius Corners to grip the flat sides of the fastener head instead of the corner to prevent round-off.Chamfered box end allows for fast and easy guidance onto fasteners.Set comes with a durable canvas pouch for easy storage and transportation.Upgraded steel from High Carbon to Chrome Vanadium for more strength and durability.This Sunex 5 piece V-groove metric combination wrench set includes the most common sizes used for automotive repair. It includes 5 metric wrenches made of fully polished drop forged alloy steel. Its V-groove design reduces wear on fasteners. Canvas pouch included for convenient storage.