Quartet Classic Screamers Color Dry-Erase Marker, Chisel Point, 4-Marker Set, Magenta, Cyan, Lime, Purple (51-659562Q) Complement Quartet dry-erase systems Make wide, bold lines with the convenient chisel tip Keep markers in place with the anti-roll cap Depend on the slim marker barrel for enhanced comfort while writing Benefit from the extended cap-off life with long-lasting DryGuard low-odor ink