Comprehensive Package： The package includes a total of 100 abrasive discs in 5 different grits (36, 60, 80, 120, 180), with 20 pieces for each grit. Also, a 1/4" shank holder is provided, along with one round shank and one hex shank. They are compatible with power drills, die/air grinders, and other power rotary tools, offering everything you need for different grinding and polishing requirements Efficient Polishing Solution： Experience rapid and effortless polishing, deburring, and rust - removing. Our product quickly transforms rusty tools and metal pieces, like pliers and metal plates, into clean and smooth surfaces, saving you time and effort on various projects User - friendly Installation： Installing the abrasive discs is a straightforward process. Just put the shank into the holder hole and rotate for a snug fit, align the torque spiral of the disc with the holder's inner hole, rotate the disc to match closely, and then connect it to your power drill, die/air grinder, or other rotary tools High - quality Construction： Made with aluminum oxide grains for long - lasting performance and anti - static properties, and featuring a reinforced non - woven base with a security torque spiral, these abrasive discs ensure durability and reliable operation. They can withstand rigorous use and provide consistent results over time Versatile Applications： Suitable for a wide range of materials, including all metals, wood, stainless steel, stone, glass, and ceramics. Whether it's surface preparation for metalworking, woodworking, or other DIY tasks, this product is your go - to choice for achieving professional results quick-change red yarn turntables 103PCS