The ball bearing design allows the part to spin in either direction so you can access the entire part.Stop struggling to hang large bulky parts, these spinner hooks make finishing big items a breeze. Ideal for finishing wheels, motorcycle frames, etc. And dont worry about the heat - up to 600°F, they can stay in the oven during curing. These hooks work no matter what your application is -- powder coating, paint, electroplating, ceramic or media sandblasting, or just hanging an item for display. The versatility of these rotary hooks makes them ideal for many uses not listed here, and they are an excellent complement to any toolbox.