The GTL is handled by numeric membrane keys, results are shown at the illuminated 4-line LC display. As standard the unit is delivered with a stainless steel hopper (200 ml) and three stainless steel outlet nozzles (10.0; 15.0; 25.0 mm) which can be exchanged by a quick coupling. Additional stainless steel hoppers (100; 480 ml) and outlet nozzles (6.0; 8.0; 11.3 mm) are available as option.