Rolling swivel matches with pin， both playing role in connecting other parts.<br />Preventing the fish from excaping during fishing activities.<br />Color: Black<br />Material: Metal<br />Specification: size 7 pin<br />Size: about 38 x 6.6 cm (L x W)<br />Ring inner diameter: about 3.20±0.03mm<br />Ring outer diameter: about 4.91±0.03mm<br />100 x Rolling swivel with pin<br /><img src="http://img6.eachbuyer.com/x23/p79/bt681_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p79/bt681_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p79/bt681_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p79/bt681_4.jpg" />