Billet Aluminum Secondary Clutch Compression Tool - These heavy duty clutch compressors are designed to be used with most types of golf cart and go kart secondary (driven) clutches. They may also work on some SXS and ATV models. Before purchasing, please verify the diameter of the bottom of the compressor tool (2.1 inches) will fit on your clutch with sufficient room to remove the snap ring. These clutch compressors were designed and built in the USA using high quality materials that will last you a lifetime. They come with a 1 year warranty. Makes changing out the driven clutch spring much easier. Just clamp the compressor into a vise or to the edge of your workbench.