These are the 4-40 Purple Heavy Duty, Long Shank Rod Ends from RPM. rpm 73378

FEATURES:

Dress up your control rods with these brightly colored rod ends.

Flattened sides on shaft allow installation with pliers or wrench.

INCLUDES: Twelve 4-40 Long Shank Rod Ends, Purple in color.

REQUIRES: 4-40 size threaded rods.

SPECS:

Length: 3/4" (19mm)

Width at rounded end: 5/16" (8mm)

Diameter: 0.21" (5.5mm)