Welding triangle positioner

25lbs perforated weight: 320G, maximum welding 30-40cm
Suction: about 11 kg
Size: 120 * 80 * 15mm
50lbs weight: 575g, maximum welding 50cm object
Suction: about 22 kg
Size: 155 * 102 * 16mm
75lbs weight: 1025g, maximum welding 70-80cm object
Suction: About 35kg
Size: 190 * 120 * 26mm