General description For mounting diamond grinding wheels with a 5/8 inch hole arbor, this Drill 10mm 3/8' Chuck Adapter Disc Holder is designed for use with angle grinders. It includes a disc holder, pin wrench, and flat wrench, making it suitable for various applications such as ultra-fine machining, polishing, jewelry making, and more complex handicrafts. This professional drill grinder angle fitting allows for grinding, cutting tiles, wood, and metal. Technical specifications Product Name: Angle Grinder Adapter Set Arbor Hole Diameter: 10mm / 3/8 inch Disc Holder Size: 30 x 51mm / 1.2 x 2 inches (Max.D*L) Plug Wrench Size: 112 x 32 x 12mm / 4.4 x 1.3 x 0.47 inches (L*W*H) Open End Wrench Size: 118 x 32 x 2mm / 4.6 x 1.3 x 0.08 inches (L*W*T) Spindle Center Distance: 20mm / 0.8 inch Open End Width: 14mm / 0.55 inch Usage Suitable for abrasive cutting wheels with a 3/8 inch shaft hole. Can be used for grinding, polishing, and engraving on various surfaces. Note: A grinding plate must