Flare nut wrench double end offset in inch sizes Standards: DIN 3118 Material: High performance alloy steel 12 points: 5/8-3/4 3/4-7/8 1-1.1/8 6 points: 3/8-7/16 1/2-9/16 Ring end angle 15º for knuckle clearance or better grip Applications for tube tightening in auto and plumbing environments Special deep head to protect and apply heavy torque on the screw Chrome plated Micro Matt finishing provides high quality surface