высокоскоростное передаточное отношение 8.1: 1 алюминиевый сплав с чпу мелкая чашка микро колесо противовзрывная линия колесо капель воды ры

material: cnc aluminum alloy wire cup product features: 8.1:1 high speed ratio 8 kg braking force the 24-speed adjustable linearity makes the control flexible and convenient. 5 strong magnetic, the brake system is more stable and sensitive. high-precision alloy wire cup, when running at high speed, the operation is smooth and does not beat, and there is a smooth and non-explosive line. eva non-slip grip, feels moist and comfortable, easy to move and save.