PREMIUM MATERIAL: Ball bearing swivel made with high quality copper, snap and ring made with enhanced stainless steel. Full body coated with black nickel coating for incredible strength and durability. SMOOTH: Swivel loaded with 6 stainless steel bearing balls brings unlimitedly smooth rotation, and reduce twist to minimum. RELIABLE: Enhanced stainless steel and copper with black nickel coating provides excellent corrosion resistance and abrasion resistance for the intense battles against your prey. EASY TO USE: Quick lock-open design allows you to change leaders or lures in seconds. Works for all kinds of fishing situation from freshwater bass fishing to saltwater trolling, jigging. #6+6| LB.test 178lb | Total Length: 2-1/2 (65mm) | 50 Pack ASIN B0BJ6CQT1P Size #6-178LB(2.5 ) Color Black Nickel Material Stainless Steel, Copper Brand Name Dr.Fish Part Number DFTSYN6(50pcs) Manufacturer Dr.Fish Package Weight 0.19 Kilograms Number of Items 50 Warranty Description 180 Days Item Package Dimensions L x W x H 6.18 x 3.62 x 0.79 inches