1. 5 kinds movement distance optional Standard mobile distance 0.5¨, 1¨, 2¨, 3¨ and 4¨,can be customized special mobile distance 2. 2~75 times/min, adjustable speed 3. Can be set up test program Can set back and forth times, maximum 999,999 times (note, that the grinding head rubber during this period may need to change) 4. Can choose load Standard load: 350g~2100g (standard configuration: 3 pieces 250g farmar)To test samples of any size and shape, for contour surface and polishing surface products of abrasion test is very ideal (such as: mouse and other computer or IT products plastic paint wear resistance test), general in plastics, auto parts, rubber, leather and textile, electroplating, free disassembly of components, paint, printing design, and other products.