Suction block VCBL-K2 125 x 75 mm, H = 50 mm, crossways for narrow parts with sensing valve. For use with vacuum clamping systems. Vacuum Blocks for dual circuit consoles, (VC-K2), Height = 50 mm. Manufacturer: Schmalz. Suction block VCBL-K2 125 x 75 mm, H = 50 mm, crossways for narrow parts with sensing valve. For use with vacuum clamping systems. Vacuum Blocks for dual circuit consoles, (VC-K2), Height = 50 mm. Manufacturer: Schmalz.