Stride 132501 Schneider Rave Retractable Ballpoint Pen 1.4mm Black Ink Sold as 1 EA. ViscoGlide Advanced Ink -- smooth-glide writing -- smooth as gel without the mess. Stainless steel ball enhances ink flow. Waterproof Ink according to ink standard ISO 12757-2. Fully rubberized barrel. PVC-free.