Pentel N50XL Marker Chisel Tip Black (Pack of 6) A

Euroffice

Heavy duty jumbo marker. Permanent waterproof ink. Robust aluminium barrels. Bonded fibre tips retain their shape. Tip size from 15.4mm to 8mm. Barrel colour matches ink colour. Ink colour: Black. Pack of 6.

Amazon

Heavy duty, jumbo marker Permanent, waterproof ink Extra large ink capacity Hard-wearing tip Chisel tip for a 2.0 - 14.0mm line width