KAKA Industrial W1.0X305 12-Inch Sheet Metal Hand Brake Bed and apron bored in line for high accuracy Upper beam adjustable to a different material thickness using special Excenter screws Optimum Excenter-folder construction with upper beam stroke via the side handle Handy version for modelers,exhibition constructors,for use on the building site,limited spaces and for filigree working Heavy truss rods and braces. Inexpensive and perfect for professional and semi-professionals