Description: Adopt stainless steel and copper, anti-aging, high wear resistance, impact resistant ability, long service life. Easy on/off design, change lures in seconds. Special made for aggressive species Perfect for big game fishing and heavy-duty trolling. Specification: Material: stainless steel, copper Length: 6.7cm/2.63inch Swivel Test: 300lb Corkscrew Test: 400lb Package Includes: 2 Pieces Corkscrew Swivel