American Type Heavy Duty Double Coupler-RSCP909 OD:48.3mm Weight: 1.37KG
American Type Double Coupler-RSCP907 OD:48.3mm Weight:1.00KG
America Type Heavy Duty Swivel Coupler-RSCP926 OD:51mm Weight :1.6KG
America Type Heavy Duty Double Clamp-RSCP927 OD:51mm Weight :1.4KG
Ladder Clamp-RSCP809 OD:48.3mm Weight:0.45KG