Neilsen self tightening adjustable wide opening spanner wrench soft grip 10" Sizes: 10-inch Surface treatment: polished chrome Automatically adjusts no needing to reposition it! Making it a quality piece that?s ideal for many types of assembly, repair and maintenance jobs including plumbing and automotive tasks. It also grips and turns even rounded surfaces with its tapered jaw design that offers precision and control! This then helps it operate even in tight and hard to reach spaces!