Features:* 100% Brand New High Quality * Suitable for 14mm spindle thread.* M14 thread * Innovative design, unique self-locking structure, rotating by hand, tighten the grinding wheel more tightly * Package With A large pressure plate, which is more convenient to use.* Suit for: Angle grinders, cutting machines, etc. with 1200W speed 11000r/min and 115/125/150/180/230 diameter polishing wheelSpecifications:*AI: as pictures show* Model: M14* Size:PRessurePP Self-Locking TopFrom EndThickness: 13mm (Approx.) The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.