Kaweco Classic Sport Rollerball Pen Red BookTok The Neo Slim is a

The Neo Slim is a stylish pen

Twist-action retract mechanism

The extendable front plate has a self-feeding mechanism which stops when the pencil has reached a superb point

Satin steel pocket clip and tip

The pen needs to put down plenty of ink

Kaweco Classic Sport Rollerball Pen Red BookTok The Neo Slim is aKaweco Classic Sport Rollerball. The Classic Sport closely follows an original 1935 octagonal design 'Small in the pocket, large in the hand'. The oversized cap arrangement creates a small closed pen but a full length open pen. Closed, the pen is just 105mm long, open 133mm long. The barrel is 14mm in diameter (around the cap). Made from tough but exceptionally lightweight ABS macrolon plastic. Features the Kaweco logo in metal on the end of the cap.