Cap will fit Fujinon 28mm f1.2 6mm and 25mm DF28B-SND4-1 C-mount lenses. It will be shipped as pictured. Size is 8mm wide and 15m long

Cap is in good condition, inside and out.  There is some light scuffing and scratches from normal use.  Cap is fully operational and functions as intended. 
I would rate it an 8 on a scale of 1 to 10.

Shipping is Free within USA and $3 Worldwide.