Uni-ball UM170 SigNo Gelstick Rollerball Pen 0.7mm Tip 0.5mm Line Black Ref 9003
Type: Gel Ink Rollerball Pens. 0.7 tip gives line width of 0.4mm. Ink/ Lead Colour: Black. 7 tip gives line width of 0. Nib Type: Ball. Release Date: 02/10/2006. Age Level: Adult. Colour: Black.