Product Name : Fishing Rod Roller Guide;Material : Metal * Color : Silver Tone;Roller Size : 8.7 x 6 mm / 0.34" x 0.24" (D*T) * Mounting Hole Diameter : Inner: 5 mm / 0.2",Outer: 6.5 mm / 0.26";Guide Total Size : 5.3 x 0.9 x 1.8 cm / 2.1" x 0.35" x 0.7" (L*W*H) * Weight : 14g * Package Content : 1 x Fishing Rod Roller Guide