Serious anglers, this 40-piece set of fishing bait screws with swivels is exactly what you need for your carp fishing and general terminal tackle setup! You get two sizes - 20 pieces of the larger 3.5cm screws and 20 pieces of the smaller 2cm screws, giving you versatility for different bait sizes and fishing situations. The stainless steel construction is crucial - it's corrosion-resistant for saltwater use and strong enough to handle big fish without failing. The ball bearing swivels are the real star here - they provide smooth rotation that prevents line twist, which is so important when dealing with active fish that twist and turn during the fight. The threaded bait screws are perfect for securing various baits naturally - they work great with popup baits, nuts, foam, plastic baits, and pretty much any presentation where you need to keep your hook bait secure but natural-looking. The micro-rings make quick changes of hook lures super easy without needing needles or complicated tools. The quality feels substantial - these aren't flimsy cheap components but properly made terminal tackle that inspires confidence when you've got a big fish on. Whether you're carp fishing specifically or just want reliable swivels and connectors for general fishing, this set provides excellent value and performance. Having 40 pieces means you can rig multiple rods and have plenty of spares for those inevitable losses to snags or big fish. The organization is handy too - separate bags for each size keep everything tidy in your tackle box. This is one of those sets that quickly becomes essential gear for any serious angler's kit.