●Fit for Tools:3/8" Arbor Hole fits Type 1 cutting and snagging discs Flathead notch for tight fit; 1/4" Stem fits most die grinders and air tools<br /> 2.mainly designed for mounting 3/8” or 1/4” arbor hole and small diameter cutting wheel<br /> 3.Material: made of A3 carbon steel ,Longer product life, refuses to rust<br /> 4.Can be used to mount any other various types of grinding wheels such as buffing, grinding, sanding, cleaning sponges or saw blades. Pay attention to connector size,Easy mount and demount<br /> 5. 2 different types of threaded heads, giving you more installation options (2 set)<br /> Include:<br /> 4X Screws <br /> 2X Arbors </p> <p> <br /> </p> ●Mainly designed for mounting 3/8” or 1/4” arbor hole and small diameter cutting wheel ●Material: made of A3 carbon steel ,Longer product life, refuses to rust ●Can be used to mount any other various types of grinding wheels such as buffing, grinding, sanding, cleaning sponges or saw blades. Pay attention to connector size,Easy mount and demount ●Can be used to mount any other various types of grinding wheels such as buffing, grinding, sanding, cleaning sponges or saw blades. Pay attention to connector size,Easy mount and demount