The marker has a 15 mm square tip

but to extend the life span you can remove the filters from the mask and keep them in a tightly sealed plastic bag when the gas mask isn't being used

255 x 205 mm

1 x 212 signal black

Round 18 mm exchange tips for FLUX Squeezable Marker FX

kaco turbo mechanical pencil purple 0 5 mm hb leads Money The marker has a 15Mechanical pencil and extra leads. 0. 5 mm mechanical pencil with a patterned grip and eraser at the top. Simple but good mechanical pencil that can retract the tip if you hold the button while pushing the tip, a useful feature to avoid a sharp pencil in the backpack or pencil case. This pack also includes 12 extra leads (HB) for the pencil in addition to the leads already in the pencil. See all pens and pencils from KACO here.