Tenditore per catene Zetasassi TO1O58S

TO1 oval head, automatic device linear spring-action drive chain tensioners consisting of a base in special, very sturdy, antiseize aluminium alloy with tensile strength of 440MPa that ensures perfect glide on high tensile strength galvanized steel rods, to which the chain tensioning head or shoe in polyethylene 1,000,000 UHMW is fastened.