Features: An opaque permanent marker that produces vivid color even on black surfaces. Perfect for writing on metal, glass, plastic, etc.Specifications: Ink Color: Red Axis Material: Aluminum Pen Core: Acrylic Fiber Refill: PCXR-8 Size: Shaft Diameter 0.9 x Total Length 5.6 inches (23.2 x 142.3 mm); Weight: 1.6 oz (44.8 g).