Latch

Brass fitting available for lock type 06, 07, 08, 10, 11, 12, 21, 22 and 23
Commercial name for the outside latch, Fig. 3.
Brass or nickel finish.

Knob

Fixed or mobile knob.
Fitting available for lock 06, 07, 08, 10, 11 and 12.
Commercial name for the knob atop the cylinder on the outside, Fig. 2, if the knob can be used as a latch; +Fig 2 fixed if the knob is fixed.
Brass or nickel finish.

Shield

Fitting available for lock 10, 11 and 12.
Commercial name for the shield, Fig. 1.
Brass or nickel finish.

Centre piece

Fitting available for all locks.
Brass or nickel finish.