... Easy to move and circumvolve the work pieces2) Can be used on the product line by combination or singly3) Simple structure4 ... ) Maintenance free5) Strong carrying capacity6) The table width and material can be customized7) The pitch of ball ... the weight and figure of the work piece8) Load capacity (used singly): 13kg, 15kg, 25kg, 40kg, 45kg, 50kg, 70kg, 90kg, ...