Save time and money by swapping out two markers for one that can change tip sizes to create both fine and micro-sized markings Universal dual-tip design is perfect for writing broadly in large spaces and for precise marking on small surfaces Industrial-grade ink dries quickly and is abrasion and weather resistant, so markings last longer Built-in clip caps lock into each other, preventing loss of cap or rolling off work surfaces Durable plastic body reduces breakage on the jobsite or in the factory Xylene-free ink for a safer marking tool Permanent marker Quick drying Water and abrasion resistant Suitable for writing on glass, plastic, metal, stone, wood Additional information: Dual writing tip Line thickness 0.7 mm and 1.0 mm