... 2.Max-lift:150kg 3.lifting life:8000times 3-cups vacuum glass sucker on glassUsage:can move or lift non-porous ... ,rubber pad assembly ,suction cup,Iron aluminum alloy,silver/black lacquer,caoutchoucsuction-plane 170kgs,upright 120kgs the same quality as woods ... treatment: black, red,yellow,reseda spray paint, powder sprayIt can adjust color as customers requirement. 3-cups vacuum glass sucker on glass