Check the listing for details. HTC Magnetic Adapter: easy changing trapezoid diamond disc-ELIMINATE INVENTORY. Condition: New. Listed at 30.00 USD. Normal 0 false false false EN-US JA X-NONE Magnetic Adapter-trapezoid diamond segmented tools, very easy change for HTC grinding machines with quick change- CAN LOWER INVENTORY Trapezoid style magnetic adapter is designed to make diamond sets change quicker and easier!No matter what grinding machines you possess, simply stock a set (sets of-depends on how many brands of grinders you have) of corresponding adapter and mount on your machine, next, you merely keep a single set of same grit and bond diamond tool, snap the diamond tools on the adapter one by one-bingo! When change to other grit/bond, just take out the set by using somehand tools such as a flat head screw driver and change to the grit/bond you want, GO!Diameter of the adapter three studs: 6mm, Diameter of the three holes of discs: 9mm.Three magnets are very strong.Fit on HTC grinders. Different machines choose relevant adapters Shipping Policy Item can only be shipped to PayPal confirmed address. Return Policy We accept return only when the item is new/unused and in original box. Customer is required to pay your own shipping fee if not the reason of defect