TWO 25LB CHAINS WITH CARABINERS - TOTAL WEIGHT 54 LBS, FITS OLYMPIC AND STANDARD BARS TWO 13 LB CHAINS WITH CARABINERS- TOTAL WEIGHT 30LBS, FITS OLYMPIC AND STANDARD BARS WEIGHTS ASLO EASILY CLIP ON FOR CHINS, DIPS, WEIGHTED EXERCISES, ETC. DESIGNED FOR A ECCENTRIC PUMP AND TO SHOCK YOUR MUSCLES. Weight lifting chains provide progressive increase of resistance that will build explosive strength by stimulating muscle contractions throughout an entire lift. Each chain includes a heavy carabiner connector Attaches to any Olympic bar 1/2" diameter chain x 66" - 13Lbs 3/4" diameter chain x 68" - 25Lbs YOU PICK UP