The main components detection, workpiece, machine tool table, rails and precision work of flatness, perpendicularity. iron pad:Type(mm)Adjust Highly (mm)load per mount (kg)135*50*40 4 600168*80*55 5 1200220*90*55 6 2000220*120*70 8 3500240*120*70 10 4000280*130*80 10 4500300*140*100 12 5000TEL: 15175713336 86-0317-4505966 FAX:86-0317-4505050 WE ARE LOOKING FORWARD YOUR INQUIRY !