Lockwood

Standard 2-1/4" knob with unpinned, straight spindle 3-1/2" long with 18 threads per inch. Both knobs are attached with two case hardened set screws.

Standard 2-1/4" knob factory pinned to straight spindle to prevent removal from outside. Inside knob is attached
with two case hardened set screws and threaded 3/8-18. Spindle has two 3/8" centers.

2-1/4" knob pinned to a straight spindle. The inside knob is attached with two case hardened set screws. 3/8-18 tread on knob and spindle.

Swivel spindle, 9/32" square,
18 tpi, 4-3/4" long with two 3/8" solid centers

Swivel spindle, 9/32" square,
18 tpi, 4-3/4" long with two 3/8" solid centers
and three pinning holes