Feature:<br /><br />Specification: SC1000 2000 3000 4000 5000 6000 7000<br /><br />Speed Ratio: 5.5 : 1.<br /><br />Ball Bearing: 8BB<br /><br />Line cup plastic plating， metal folding handle at the handle，<br /><br />Shake the body plastic， you can swap left and right. Feel smooth.