I like them, they were priced right
Black versions are available: https://alltackle.com/maxel-teaser-reel-black-mtr08b/
Teaser Reels - Qty 2 with Backing Plates (2)
Model name: MTR08
Available color : Silver
These can be mounted flat or on tubing up to 1.38".
Note: Make sure to regularly lubricate the knob threads with light oil or grease.