Double end ring wrench 44Z 5/16" x 3/8"

• Double ring wrench, long type in inch sizes
• Thin-walled heads, both sides chamfered
• Chrome micro-matte finishing provides high quality surface
• Material: high-performance alloy steel
• 12-Point Dynamic-Drive™ profile provides longer life for screws and nuts
• Standards: ISO 1085, ISO 10103 and DIN 837