This is the rolling swivel with this advanced design. Both upper and down side of the swivel is durable and reliable, which means smooth way you never tried before, and helps reduce line to minimum. It can be a great fishing supply for fishing enthusiasts or amateurs. Features -Color:Grey -Material:High carbon steel -Size:1.70X0.30X0.30cm/0.67X0.12X0.12in -Size:1.50X0.30X0.30cm/0.59X0.12X0.12in -Size:1.20X0.20X0.20cm/0.47X0.08X0.08in -Size:1.15X0.20X0.20cm/0.45X0.08X0.08in -Size:1.05X0.20X0.20cm/0.41X0.08X0.08in - It can provide a very stable connection, whether you tie the fishing lure or bait on the fishing swivel. - Upgraded in both material and design, these swivel connectors will worth every effort. - Designed for outdoor fishing. Strong, smooth, easy-changing, the of enjoyable fishing. - High carbon steel bearing inside our swivel to provide you with unprecedented smooth way. - Compact fishing snap swivels, imaging your fishing lure swim like real ones. Appealing more without fishing line twist. Package list: 210 Swivels