Pilot PIL31277 G2 Roller Ball Gel Pen, Extra Fine 0.38 mm, Black PK12 5C671 ) 16 in Drilling Depth ) 16 in Drilling Depth (in) 0 Shank Diameter 45 64 in Back Knockouts 4 Includes Pen Cushion Yes 38 mm Item Gel Ink Pen Point Type Ultra Fine Grip Contoured rubber Pen Ink Color Black Barrel Color Translucent Pen Cushion Yes Features Convenience Packs Barrel Material Plastic Includes Pen Cushion Yes Pen Cap Retractable Series G2(R) Premium Product Type Rollerball Pens Pen Grip Type Contoured Latex Free Rubber Pen Tip Type Conical Pen Ink Color(s) Black Pen Style Retractable Manufacturer Pen Refill # 77287 Special Ink Properties Water Based Gel Weight 0