The 40 x 300 mm supports from Blick Industries have been upgraded to have suction cup tops with replaceable seals. Soft rubber seals, which are easily swapped out when damaged, have replaced the one-piece hard rubber pad from the previous versions. The new design provides a secure seal for vacuum holding when handling stone, glass and solid surfaces. They are available with 150 x 300 mm or 100 x 300 mm vacuum bases.