Central Hobbies are a little pricier because they use 'titanium' ends instead of steel. Titanium is super light and stronger than steel. If you got a short connection, within 5 inches, go with H9 titanium 'pro links'. Standard and reversed thread on each end so you just turn the link to adjust.

Ball links are the best for slop free connections.

These CF linkage are 8 inches long and weigh two tenths of an ounce each. That weight includes the ball link and the safety lock 'quick links'.

Here is a sweet aluminum control horn from CH, includes a 4/40 clevis that fits tight in the little ball bearing connector hole. Comes in colors too. Joe