From the manufacturer:
edding Permanent Markers are ideal for writing, marking and labelling on almost all materials, including metal, plastic and glass. Lightfast and quick-drying. Waterproof and wear-resistant on almost all surfaces. Low-odor ink with no added toluene/xylene. The high-quality aluminium barrel offers a sturdy, comfortable grip. Refillable in colors black, red, blue and green with edding T 25 refills.
The 3000 Bullet has a stroke width of 1.5-3mm.
The 3300 Chisel has a stroke width of 1-5mm.
The 800 Jumbo Chisel Square has a stroke width of 4-12mm.
The 850 Jumbo Chisel Rectangular has a stroke width of 5-15mm.