Questions about guide components for slow jigging rods are settled the same way as any gear question: by reading the listings. Guides are components of a rod, and what a rod listing states about the components it was built with is the maker's description of the product as built. Anything the listings leave out should be settled with the makers rather than guessed. This guide covers what these listings state and how to read them together, without invented material comparisons.
What a rod listing states about its components
A slow jigging rod listing states the maker's specifications: the rod's stated length, power or PE class options, section options, guide configurations, and any components the maker names. Those stated details are the makers' description of the product as built. When comparing rods, read the stated details side by side rather than relying on general claims: what the listings state is the makers' own description, and anything the listings leave out should be settled with the makers rather than guessed.
An example: the GOOFISH Solid Nano rod listing
The GOOFISH Solid Nano 6'6\" (195cm) Slow Pitch Jigging Rod listing states FUJI Components in its listing title, along with three color and PE class options (Pink PE1-2, Green PE2-4, and Blue PE3-6), one-piece and two-piece butt-joint section options, and spinning or casting guide configurations. Those are the maker's stated details for the product; the listing does not state further specifications, so ask the maker about anything else you need to know.

Reading the listings together
Our jigging rod collection lists the stated specifications for each rod, so the rods can be compared from the makers' figures rather than from general rules. Ask the makers when a listing's details are unclear.
Component questions beyond the listings
The listings state what each rod was built with, and the manufacturers are the authority on anything beyond that, including how a stated component was designed to perform. Settle component and material questions the listings leave unclear with the makers rather than with general rules.

Frequently asked questions
Are guides parts of a rod or a reel?
Guides are components of a rod. Read the rod listing's stated components, and settle anything not stated with the maker.
What should be read first when comparing rod guides?
The maker's stated details: what the rod listing states about its components and guide configurations. Anything not stated should be confirmed with the maker.
Who is the authority on how a stated component performs?
The manufacturers. Settle questions the listings leave unclear with the makers rather than with general rules.
Listings first
Questions about guide components, like any gear question, start with stated details: what the listings state about the components a rod was built with, read side by side. Compare the listings, follow the makers' guidance, and let the stated details settle anything unclear. That is the whole method.