Ordering Description Product number Description: Knucklehead 64SFLX4-80LR Conductor Tube (80 DEG) Long Reach, No. 4 & WeldSkill 400 Product number: 1640-1122 Description: Knucklehead 64SFLX3-60LR Conductor Tube (60 DEG) Long Reach, No. 4 & WeldSkill 400 Product number: 1640-1121 Description: Knucklehead 64SFLX4-80 Conductor Tube (80 DEG) No. 4 & WeldSkill 400 Product number: 1640-1113 Description: Knucklehead 64SFLX3-60 Conductor Tube (60 DEG) No. 4 & WeldSkill 400 Product number: 1640-1112 Description: Knucklehead 62SFLX4-80 Conductor Tube (80 DEG) No. 2 & WeldSkill 250 Product number: 1620-1106 Description: Knucklehead 62SFLX3-60 Conductor Tube (60 DEG) No. 2 & WeldSkill 250 Product number: 1620-1105 Description: Knucklehead 61SFLX4-80 Conductor Tube (80 DEG) No. 1 Product number: 1610-1105