.cs4FC7BF42{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000;background-color:transparent;font-weight:normal;font-style:normal;}.csA7555675{color:#000;background-color:transparent;font-weight:normal;font-style:normal;} Motion Pro Tools to measures chain slack up to 7,5mm in a few seconds. Made from engineered nylon with aluminum measuring scale. Setting chain slack properly dramatically improves chain life