This Greenlee 0254-47 SAE Plain Ball Hex Key is the ideal tool for working with hex bolts and nuts. It has a 4 23/32 in long arm and 2 1/4 in handle. The ball hex key is made of alloy steel, which makes it both durable and strong. The black oxide finish gives this hex key a sleek look that resists corrosion. With its rubber handle, you can use this hex key comfortably without worrying about it slipping out of your hands. The Greenlee 0254-47 SAE Plain Ball Hex Key is an essential addition to your toolbox.