Name: Desktop Flat Grinding MachineVoltage: 220V (please contact the seller if you need 110V)Speed: 2800 rpm Power: 180WCan be assembled: inner hole 12.7mm diameter: 6 inch (150mm) or 8 inch (200mm) grinding discMachine size: approximately length 40cmx width 25cmx height 22cmEmpty machine without accessories: only frame, motor, couplingPackage 1: Empty machine (including frame, motor, coupling, water retaining ring) + 6inch (150mm) aluminum platePackage 2: Empty machine (including frame, motor, coupling, water retaining ring) + 6inch (150mm) aluminum plate + grinding plate + manipulator + a stick of stonePackage 3: 1 set of flat grinder (including 1 lifting platform, 1 aligner, 1 flattener, 1 octagonal hand, 30 sticky sticksOil pan: 1 Huibao superhard highquality grinding disc, 1 magnifying glass, 1 alcohol lamp, 1 water retaining ring, 1 skewer, 1 downstream water pipe, 1) + gem technology, easy access, 1 book, viscose glue, 1 diamond Huayi 1 pack of fine powder (100ct) + 1 bottle of polishing paste + 5 sheets of sandpaper + 1 pack of 5x7 ziplock bag + 2 taels of rare earth polishing powder + 1 wool platePackage four: flat grinder (including frame, motor, coupling) + 1 set of single fork manipulator + 1 gem technology easy access (including: aligner, 1 flattening device, 1 sticking stone stick 30 6 inches (150mm) oil pan 1 6 inch (150mm) Huibao super hard highquality grinding disc 1 magnifying glass 1 alcohol lamp 1 (without wick) plastic (variable color) retaining ring 1 skewer 1 flow pipe 1 17 19 Wrench 1) + 1 piece of viscose glue + 1 pack of diamond Huayi powder (100ct) + 1 bottle of polishing paste