Opening in the head gives greater access to fittings used on tubingHex shaped heads maintain a more secure grip on fastenersIdeal for use on hex nuts made of softer materialsQuickly ratchet flare nuts and bolts without removing the wrench from the fastener180° flexible head provides better access to hard-to-reach placesManufactured from alloy steel for better strength and longer tool lifeBright, full polish chrome finish wipes easily clean to resist rust and corrosionMeets or exceeds ANSI requirementsPlastic tray included for tool retention and storage1/4" x 5/16", 3/8" x 7/16", 1/2" x 9/16", 5/8" x 11/16", 3/4" x 7/8"