The Super Speed razor was again redesigned in 1966 and given a black resin coated metal handle. It remained in production until 1988. A companion model the, ""Knack"", with a longer plastic handle, was produced from 1966 to 1975. In Europe, the Knack was sold as "Slim Twist" and "G2000" from 1978 to 1988, a later version known as "G1000" was made in England and available until 1998. A modern version of the Tech, with a plastic thin handle, is still produced and sold in several countries under the names 7 O'clock, Gillette, Nacet, Minora, Rubie, and Economica.