Berol Turquoise 11, Mechanical clutch pencil 2mm lead
A clutch pencil uses a thicker lead (2mm) held by a clutch, offering a consistent length and a pencil-like feel with replaceable lead
Berol merged with Empire in 1986. Between 1972 and 1986, Berol dropped the Eagle name from Turquoise and just called it the Berol Turquoise