Product description: Material: Magnesium alloy Size: 3.66 * 3.97 * 1.25 inch（93*101*32 mm） Color: Green Weight: About 0.346 kg/0.76 pounds Anti-skid nail: increase the friction, provide a great pedals grips, prevent foot slipping off the pedals. Suitable for: This flat pedals fit for BMX, cruisers bicycle, folding bikes,cyclo-cross bikes, road bicycles, MTB bicycle, mountain bicycles, junior bicycle, city bicycle. Replacement Anti-Skid Nail,provide great grip when riding.the pin can be replace with professional tools "L" means left pedal and the "R "means right pedal. Please note Notes: If the picture has a slight color difference under the light, please understand that the size is estimated. If the size is slightly wrong, please understand. Package: 1 pair bike pedals