Guide bar with clamps for suction blocks VCBL-K1. For VC-K1 (Single circuit consoles). Spare parts for Suction Blocks. For use with vacuum clamping systems. Manufacturer: Schmalz. Guide bar with clamps for suction blocks VCBL-K1. For VC-K1 (Single circuit consoles). Spare parts for Suction Blocks. For use with vacuum clamping systems. Manufacturer: Schmalz.