Snap-Ring Pliers (4-Piece Set)

Pros: This is a decent enough tool for the price.

Cons: The build quality is a bit mediocre, but if you only need these every so often, you should be fine. If it's something you'd use frequently, I'd suggest a higher quality tool.
The maximum spread is only 21mm, so if you're working with a larger ring, you'll need a larger set of pliers.

Other: If you need snap ring pliers for infrequent use, these will do the trick.

Pros: This set is extremely cheap compared to the products you would find in tool stores, significantly cheaper. Seems to be able to perform its function as intended, although I haven't used them that much yet.

Cons: As can be expected at this price, it doesn't seem like it would last as long as the more expensive tools, but at this price, you can replace your pliers several times before even paying the amount you would pay for a set at the tool store.

Other: An extremely cheap set of snap ring pliers, which is able to perform its intended purpose. It might not last long, but at this price that is not really to be expected.

Pros: the 4 in 1 design saves space and provides a flexible tool. each of the 4 adapters can be connected to the handles in 2 ways - 1 way to pull them apart by pressing the handles, the other way to press them together. easy way of replacing the adapters

Cons: currently I can't see any cons, need to use them a bit longer to be able to tell if they last.

Other: fine tool for a good price.