Pilot: Refill for G2 Gel, Dr. Grip Gel/Ltd, ExecuGel G6, Q7, Fine, Purple, 2/PK Provides fast-drying, water-resistant, streak-free results. Advanced proprietary formulation of liquid ink technology delivers consistent, fluid writing. Trust Pilot for premium quality performance. Global Product Type: Ballpoint Pen Refill, Ball for Series: G2 Gel, G2 ProGel, Dr. Grip Gel, Dr. Grip Ltd., ExecuGel, G6 Gel, Q7 Gel Roller Balls; Pen Refill Type: roller ball; Special ink type: Gel. : Manufactured by. : Pilot