GL4-A2020KFR-20-80 is a right-hand external turning holder with internal cooling for GL indexable cutting inserts. It is suitable for radial turning, parting, turning, and profiling. The body is reinforced and surface-treated for longer tool life and reduced vibrations. Additional technical specifications include: gross weight: 375.9 g, height difference between head and base: 5 mm, cutter design: GLAF(RL) EXT, functional height: 20 mm, functional length: 125 mm, clamping type code: System G, head length: 43.6 mm, maximum depth of cut: 20 mm, maximum workpiece diameter for parting: 80 mm, net weight: 375.9 g, shank width: 20 mm, shank height: 20 mm, cutting direction: right, cutting width: 4 mm.