It is Constructed for consistent performance,The Swivels make it easy to set up the interlock snap. The smooth action of the swivel helps reduce line twist to ensure lure presentation is not hurt by coils in the line.The Interlocking Snaps come in a resealable package that helps keep your tackle box sorted and organized properly.Specifications and Features: Color: Black, Size: 10; Ensures high range of motion Interlocking snap for easy attachment Helps reduce line twists High-quality materials