DETAILS

Ser	Marking	No of Stops	End Profile	Stop Posn	Material	Finish	Colour	Manufacturer	Notes
1	H	1	1	Top	Steel	Phosphated	Med Gray	Hollandia, Holland	Vertical Has cut-outs in spring like the other H examples.
2	H	1	1	Top	Steel	Phosphated	Med Gray	Hollandia, Holland	Vertical Has cut-outs in spring like the other H examples.
3	H	1	1	Top	Steel	Phosphated	Med Gray	Unconfirmed Probably made by Hollandia	Vertical Possibly early version of stamping from Hollandia. Has cut-outs in spring like the other H examples.
4	H	1	1	Top	Steel	Phosphated	Med Gray	Unconfirmed Probably made by Hollandia	Vertical Has cut-outs in spring like the other H examples.
5	None	1	1	Top	Steel	Phosphated	Med Gray	Unconfirmed Probably made by Hollandia	Cut-outs on each side at the center of spring like the other H examples. Three circles impressed into the underside of the clip from manufacturing.
6	MB Z	1	1	Top	Steel	Phosphated	Med Gray	Van Mouwerik & Bal Ltd. Zeist, Holland	Markings under spring
7	MFT	1	1	Middle	Steel	Phosphated	Med Gray	Metaalwarenfabriek, Tilburg N.V. Holland	Narrow 'MFT'
8	MFT	1	1	Top	Steel	Phosphated	Med Gray	Metaalwarenfabriek, Tilburg N.V. Holland	Wide 'MFT'

Thank you to Koen Bakker for the H and MBZ examples.
Thank you to Peter Mackinven for the H and H examples.

LINE DRAWINGS and PHOTOS

H Has cut-outs in spring like the 'none' example.	H Has cut-outs in spring like the 'none' example.	H Has cut-outs in spring like the 'No marking' example.	H Possible early version of stamping from Hollandia. Has cut-outs in spring like the 'none' example below.
No marking Although no markings the cut-outs in the spring are the same as the above two examples. Cut-outs are at the center of spring. Three circles impressed into the underside of the clip from manufacturing.	MB Z	MFT Narrow 'MFT'	MFT Wide 'MFT'

MEASUREMENTS

All measurements in millimeters

Ser	Markings	Length	Width	Width with stops	Depth	Retainer length	Material Thickness	Retainer Holes		Spring Profile	Notes
								Height	Width
1	H	60.38	14.45	15.28	5.46	1.95	0.60	3.11	5.01		Vertical Has cut-outs in spring like the other H examples.
2	H	60.27	14.48	15.47	5.44	1.86	0.61	3.05	4.91		Vertical Has cut-outs in spring like the other H examples.
3	H	60.34	14.51	15.27	5.41	1.79	0.60	3.04	4.98		Vertical Possibly early version of stamping from Hollandia. Has cut-outs in spring like the other H examples.
4	H	60.70	14.51	15.17	5.41	1.95	0.64	3.06	4.83		Vertical Has cut-outs in spring like the other H examples.
5	No marking	60.54	14.60	15.26	5.45	1.90	0.70	3.24	4.92		Cut-outs on each side at the center of spring like the other H examples. Three circles impressed into the underside of the clip from manufacturing.
6	MB Z	60.60	14.42	15.48	5.40	1.90	0.60	3.25	5.00		Markings under spring
7	MFT	60.65	14.55	15.35	5.40	2.05	0.65	3.16	5.00		Narrow 'MFT'
8	MFT	60.59	14.56	15.18	5.47	1.92	0.67	3.00	4.90		Wide 'MFT'

All measurements in millimeters