Alloy Steel, Self Colour, For Tensioning lashing wire on Cargo Vessels Hamburgers for Lashing (Untested)Size Available*SelectHAM24Size: Diameter: 24mm A: 16mm L: 400mm Weight: 2.95Kg HAM28Size: Diameter: 28mm A: 18mm L: 400mm Weight: 3.41Kg HAM30Size: Diameter: 30mm A: 20mm L: 400mm Weight: 5.06Kg