With plastic collars from 05 mm to 16 mm according to din standard due to the standardization of the plastic collar the cable cross section can already be recognized without doubt by the color of the insulating collar this complies with the new vde standards mandatory for the corresponding wiring includes 50 pcs 05 mm white 100 pcs 075 mm gray 100 pcs 10 mm red 100 pcs 15 mm black 50 pcs 2 5 mm blue 25 pcs 4 0 mm gray 10 pcs 6 0 mm yellow 10 pcs 100 mm