small right angle grinders, die grinders, air grinding tools, 1/4" drills. The small diameter of these discs make them a good match for handling difficult-to-reach surface areas. Made from Aluminum Oxide/Zirconia Alumina/Non-woven/Silicon Carbide/Australian Fine Wool, each disc meets the highest durability standards for roll lock discs. All discs are color coded by grade for easy identification.  Grades range from super fine to coarse to meet your general polishing requirements.
 
Features
[Less Replacement Time] Supported by the torque spiral, SATC conditioning discs can be easily and quickly screwed onto the disc pad with a simple twist-off, which enables quickly disc changing to ensure project continuity and make your machine installation less time. Discs remain secure in even heavy-duty applications
[Non-Woven Surface Conditioning Discs]  Made from premium Italian non-woven. The non-woven web structure of the sanding disc can have better elasticity and plasticity for polishing objects of various shapes. The open web abrasive material which enables cool disc running and reduces the risk of heat induced warping. Come with 3 kinds of grade Coarse/Medium/Fine
[Aluminium Oxide Discs] Thick D-weight Aluminum oxide sandpaper is bonded with thicker blue cloth backing, more glue added, making the sanding disc much more durable. Made from premium Aluminium Oxide abrasive grain that has high abrasion resistance and hardness, which prevents loading and reduces heat buildup, improving working efficiency. Come with 7 kinds of grit 36/40/60/80/120/180/240 
[Zirconium Oxide Discs] The high quality real zirconia abrasive grains are attached to the surface of the abrasive cloth by electrostatic sand planting, strong cutting force and long service life. Come with 3 kinds of grit 60/80/120
[Black Stripping Discs] Silicon Carbide Material. Black stripping discs with cellular structure prevents sanding dust from flying, no spark, no vestige, low noise. Ideal for thin metal, mild steel, stainless steel, plastic,stone, solid wood furniture
[Zirconia Mini Flap Disc] Long-lasting zirconia mini flap disc that delivers longevity and an aggressive cut. This plastic flat mini flap disc features a strong and flexible plastic backing plate, which can effectively suppress the vibration, making this disc stably for polishing