1.Universal holder for mounting of vacuum components on existing cross beams made of square or round tubes with the aid of various adapters， height and inclination can be adjusted to fit different workpiece structures；
2.Adjustment and fixing with ball clamp and fixing quickly and easily;
3.Vacuum suction cup can be directly mounted through G1/4 or G3/8 connecting thread;
4.Flexible use and adapts to workpieces such as curved metal plates, quick replacement, short set-up time;
5.Convenient, simple, economical and practical load beam design;