Selector Handle. Color: Yellow. Connection To Switch: External Shaft. Environmental Ratings: NEMA 1, 3R, 12. Type: Defeatable, Lockable. For use with 6 mm Selector Handle Shaft. Selector Handle. Color: Yellow. Connection To Switch: External Shaft. Environmental Ratings: NEMA 1, 3R, 12. Type: Defeatable, Lockable. For use with 6 mm Selector Handle Shaft. This listing is for Each.