Pilot Fountain Pen FCLS-35SR-LXLF Capless LS Fine Point Luxury Blue Japan New. Nib: 18K Rhodium Finish / Style: Knock and Twist. Size: Total length 5.7 inches (145 mm), maximum diameter 0.5 inches (13.6 mm). Sheath Sheath: Aluminum + Painted Aluminum + Black Chrome Finish. Head: Stainless steel/Clip: Steel. Compatible Converter: CON-40 / Case: Z-CR-GN. Equipped with a new “knock and twist type” mechanism for a quiet and smooth operation.