1) PLUMB BOB(SCP-0017) 2) MATERIAL:CAST CARBON STEEL WITH CHROME PLATED 3) WEIGHT:200G,250G,300G,400G,500G,600G,750G,1000G PLUMB BOB(SCP-0017) 1) PLUMB BOB(SCP-0017)2) MATERIAL:CAST CARBON STEEL WITH CHROME PLATED3) WEIGHT:200G,250G,300G,400G,500G,600G,750G,1000G