1. Applicable for shape stone processing high efficiency, 2. Accuracy in shape and size. Applicable for shape stone processing high efficiency, accuracy in shape and size, we can provide many shapes as : A B C D E F G H I L M O P Q T U V X Z etc. diameter: 150mm, 180mm, 250mm, 300mm, 350mm, 400mm, Other specification and sizes are available upon request!Our Telephone No.: 0086-592-5551199