PM-B503B KOKUYO Whiteboard Marker Yokumiere Direct Liquid Cartridge Type Bold Ink Color: Blue PM-B503B KOKUYO 4901480287164 (10 sets)

Bold Shaft diameter: φ24 x length 135mm You can clearly see the amount of ink left! This is a cartridge-replaceable whiteboard marker. ◆Writing line width: approx. 3.6 to 4.0mm ◆Oil-based ink (alcohol-based) ◆Replaceable cartridge ◆Vent specification cap Shaft, cap, cartridge, cover: R-PP exclusive cartridge: PMR-B5B, replacement nib: PMR-BP03