Doors| Progressive

Swivel spindle, 4-3/4" long,
plain centers, 20 tpi

Swivel spindle, 20 tpi,
4-3/4" long, two 3/8"
removable centers

Swivel spindle, 4-3/4" long
Two 3/8" solid centers
20 tpi

3/8 inch square spindle unthreaded, 4 inches long with 6 holes tapped to a 10-24 thread.