Suction block VCBL-K1 130 x 30 mm, H = 50 mm, crossways for narrow parts. For use with vacuum clamping systems. Vacuum Blocks for single circuit consoles, (VC-K1). Manufacturer: Schmalz. Suction block VCBL-K1 130 x 30 mm, H = 50 mm, crossways for narrow parts. For use with vacuum clamping systems. Vacuum Blocks for single circuit consoles, (VC-K1). Manufacturer: Schmalz.