Mini aluminum bridge level 12"/300mm 20"/500mm Mini aluminum bridge levelvertical vial and horizontal vialmilled surfaces on bottomany color availablesize:12"/300mm, 60pcs/ctn, 31*28*24cm, 12/13kgsize;20"/500mm, 60pcs/ctn, 51*28*24cm, 20/21kgUpdate Date:2011-5-25 20:43:18 Aluminum bridge level