Friction For SIC Great Fishing Line Ceramic Fishing Line Roller Fishing Reel Accessory Fishing Tool For Spinning Fishing Reel Type: For Fishing Reel Color: As pictures shown Size: Outer Diameter/Inner Diameter/Thickness MaterialCeramics Quantity: 1 Pc Package Included:1PC Ceramic Fishing Line Roller_x000D_ Size: 1: 9.7x7x4.8mm 2: 1074.8mm 3.10.775mm 4.11x8x5.2mm 5.11.285mm 6.11.585mm 7: 12x8x5mm High quality of materials. Made of ceramic,it is smooth and high intensity. Smooth surface will decrease the friction between fishing line and reel and will not damage fishing line. Ceramic-made roller will not react with water to get rust. This type of line roller is great for fishing. 7 size can be available for you to choose. 1 pc of line roller only,other accessories demo in the picture are not included! _x000D_ _x000D_ _x000D_