Description Are you looking for a professional, yet affordable chain regulator? Are you in search of a sturdy, trustworthy chain tensioner adjuster that can do multiple jobs at once? If yes, look no further! Our professional chain tensioner adjuster must meet you needs. It is one of the best choices for you. Features - Color: Silver.- Material: Steel.- Size: 5.00 x 2.50 x 1.00cm/ 1.97 x 0.98 x 0.39 inch.- Made of high gread steel material, long-lasting, practical and reliable.- The chain tensioner adjuster designed with and very durable and easy to install.- The product widely used in tensioning chains and preventing rear wheel slippage.- This is great because it can prevent chain slack on BMX, children bikes and any single bike.- The chain tensioner adjuster suitable for track, BMX, and fixie bikes with rear entry drop outs.