This is a left-handed surface grinder arbor with a taper inside, designed to accommodate 1-1/4" inner diameter wheels. It is a high-quality and reliable tool that is perfect for your metalworking needs. The arbor is made from sturdy materials and is built to last, ensuring that you get the most out of your surface grinder.
Whether you are a professional metalworker or a DIY enthusiast, this surface grinder arbor is an essential tool that will make your life easier. It is easy to install and use, and its precision design ensures that you get a smooth and accurate grind every time. So if you are looking for a reliable and high-quality surface grinder arbor, look no further than this one.