fits AMF Marker Extra Large No. 1550MXL.
Centric marking needles:
550468: radius 0.5 mm, eccentricity 0.0 mm, minimum character size: legible from approx. 2 mm
550469: radius 1.0 mm, eccentricity 0.0 mm, minimum character size: legible from approx. 4 mm
Eccentric marking needles:
550470: radius 1.0 mm, eccentricity 0.1 mm, minimum character size: legible from approx. 5 mm
550471: radius 1.0 mm, eccentricity 0.2 mm, minimum character size: legible from approx. 6 mm
550472: radius 1.0 mm, eccentricity 0.3 mm, minimum character size: legible from approx. 7 mm