tesa Powerbond ULTRA STRONG is our strongest double-sided tape. Specially made to give an extra strong and secure hold on solid surfaces like tiles, metal and most plastics - even minor surface irregularities aren't a problem as the tape compensates. Ideal for permanently mounting objects of up to 10 mm thick with weights of up to 6 kg per object, with no need for a hammer or a drill. Capable of holding up to 10 kg per 10 cm of tape when conditions are optimal. A durable and reliable hold, easily.