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.;Chamfered box end allows for fast and easy guidance onto fasteners.Sunex Tools V-groove combination wrenches are made from durable chrome vanadium alloy and finished with chrome plating to ensure durability. The V-groove design that reduces wear on the fasteners. Get Sunex Tools for all of your combination wrench needs.