1990mm genuine Knott brake cable

MPN - 33921.1.21

DETACHABLE type bowden cable for KNOTT brakes with an outer cover dimension of approximately 1990mm and inner cable of 2200mm.
The inner cable has a nipple at one end and a thread on the other.
Knott brakes were used on Ifor Williams from Sept 1992 and many other trailer brands. 
Ifor Williams part no P0145