O-Ring for video housings w/ a 5.5" inside diameter, for cameras such as JVC HD-1, HD-10, Sony DCR-TR8000, DCR-TR8100, TRV-120, TRV-125, TRV-320, TRV-620, and others listed at www.ikelite.com. This O-ring should be used with standard Ikelite silicon grease to prevent possible swelling or softening.
