Preferred on the West Coast for big game fishingand all types of trolling. Nickel-plated brass snap and welded rings at both endsaresuper strongand matched to swivel size for top no-twist protection.Nickel or Black finish.A Series and D Series are the same product, packaged in different quantities. A Series is smaller quanity bags, sold 12 bags to a box. D Series is 12 swivels per bag and can be ordered individually.Nickel Finish (A Series):New Item No.Old Item No.Lb. TestSwivels/PackPacks/Box6101-4AX4MB802126101-5AX5MB1002126101-6AX6MB150212WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov