This high quality ball link offers smooth, secure operation with less slop. It's adjustable so you can remove the link from the ball assembly simply by losening a screw.
1 pc adjustable swivel ball link (black plastic, self threading for 4-40 rod, 1 1/4 in. in overall length), 1 pc burnished brass ball with a #4 hole in it, 1 pc 2-56 x 1/4 in. roundhead screw for adjusting ball link, 1 pc brass spacer, 1 pc 4-40 locknut, 1 pc 4-40 x 5/8 in socket cap screw
3/32 in. allen wrench to secure socket cap screw