The Sinoart Artist Marker Twin Tip Blending set of 6 Grey colours features alcohol-based, highly blendable inks designed to create smooth transitions and professional gradients in sketches, illustrations, and manga art. Each premium marker is equipped with a versatile dual-tip design, combining a broad chisel nib for quick coverage with a fine bullet point for intricate detailing and linework. This curated collection delivers a balanced spectrum of foundational grey tones housed in comfortable, roll-resistant barrels to ensure precise control during extended design sessions.