A good all around metal working tool kit especially useful for RV builders. Shipping weight 40 lbs. 530 piece set includes: 3/8″ air drill, jobber drill bits, 3x rivet gun, 5 piece straight rivet set, 5 piece straight 10 degree offset rivet set, flush rivet set with rubber guard, beehive and quick change retainer springs, air tool regulator, rivet cutter, micro stop countersink, hand rivet squeezer, 2 dimple and die sets, fluting pliers, 3 countersink pilots, 325 – 3/32″ clecos, 175 – 1/8″ clecos, cleco pliers, hand seamer, deburring tool, tool box with tote tray and 4 bucking bars.