I have a few comets that are great. I tend to put BNC adapters on and have a 18" comet, and the stubby one which actually works nearly as well as the full size one.

Stubby : https://www.amazon.com/dp/B00OI3PY1U?psc=1&ref=ppx_yo2ov_dt_b_product_details

Full Size : [cant find link quickly, damn phone is a pita to locate stuff]