The screw lock 1394b cables are available in the following lengths:

Length		Type - description	Part No.
(m)	(ft)
1.0	3.3	9p to 9p screw lock - no ferrites	1647
2.0	6.6	9p to 9p screw lock - no ferrites	1648
4.5	14.8	9p to 9p screw lock - with ferrites	1641
7.7	25.0	9p to 9p screw lock - with ferrites	1645
10.0	32.8	9p to 9p screw lock - with ferrites	1646

Unibrain IEEE-1394b 9 pin to 9 pin bilingual ports cables with support for standard 1394b lock connector on both ends.
The screw lock cables are compatible with all 1394b Unibrain adapters (PCI, PCI express) and repeaters. They are also compatible with all latest 1394b cameras from Sony, AVT, PointGrey, Basler etc., and any 1394b device which supports the screw lock type connector.
The cables are equipped with high quality shielding and ferrites (4.5m or longer) for the best possible EMI & noise suppression.

Download the mechanical drawing of 1394b lock cables from here.