Wide-type quick snaps, perfect for lure fishing. A value set. * #00 Breaking strength 8kg: For stream fish, rockfish, etc. * #0 Breaking strength 15kg: For harbor and mudflat sea bass, etc. (lures 5-15g) * #1 Breaking strength 25kg: The optimal size for sea bass (lures 10-30g) * #2 Breaking strength 35kg: Perfect for large plugs and boat fishing Each size comes in a set of 20 (80 pieces total for all 4 sizes). You can also request a change in the quantity for each size, please specify in the comment section. (e.g., #1 50 pieces, #2 30 pieces, etc.) The wide connection to the lure does not interfere with the lure's action (swimming). Please refer to the images for each size. Thank you.